Answer:The ratio of surface area to volume is the most effecient size for them to fuction the best.
Explanation:
Cells are limited from growing too large primarily due to the decreased surface area-to-volume ratio, which affects nutrient diffusion efficiency, and the programmed number of cell divisions to prevent DNA damage accumulation and mutations. Cell cycle regulation also ensures proper cell function before division.
Cells are limited from growing too large due to several factors. One crucial reason is the surface area-to-volume ratio, which decreases as a cell increases in size. If a cell becomes too large, the plasma membrane cannot provide enough surface area for the efficient diffusion of nutrients and waste, which is vital for cell function.
Furthermore, cells are programmed to divide after a certain number of growth cycles to avoid problems like DNA damage accumulation that may lead to mutations and impaired functions. This programming ensures that cells do not grow uncontrollably, but instead divide to maintain optimal function. Lastly, the cell cycle is highly regulated to ensure that cells grow, replicate their DNA, and copy their organelles before dividing. Such tight control is necessary to prevent the growth of cells that are dysfunctional or incapable of performing their necessary functions.
Which organelle is used as temporary storage for water, waste products, food, and other cellular material?
Answer:
Vacuoles
Explanation:
Vacuoles are organelles that temporarily store water, waste products, food and other cellular materials. They are referred to as the storage tank for the cell.These organelles are enclosed structures that are filled by fluid and separated from the cytoplasm by a single membrane.Vacuoles are mostly found in plant cells and fungi. However, they can be found in some bacterial, protists and animal cellsDescribe what Bill Nye was trying to demonstrate by removing some of the blocks in his tower of blocks
Bill Nye's demonstration of removing blocks from a tower likely aimed to illustrate physics concepts such as structural integrity, distribution of forces, and stability and balance through the visual and interactive element of the blocks' arrangement.
When Bill Nye was removing some of the blocks in his tower of blocks, he was likely trying to demonstrate principles related to physics, such as the structural integrity of designs, the distribution of forces, or the concept of stability and balance.
For example, by removing blocks from different parts of the tower, he may have been showing how forces are distributed throughout a structure and what happens when that distribution is disrupted. The demonstration would illustrate that certain blocks, much like certain elements within a physical system, play a critical role in maintaining the overall stability and integrity of the structure. When these are removed or altered, it can lead to a collapse or change in the structure's behavior. The lesson behind such an experiment is foundational in understanding concepts like center of gravity, load-bearing capacity, and the importance of proper material and design in architecture and engineering.
What happens in chemosynthesis
Answer: Organisms use inorganic compounds to convert carbon compounds.
Explanation: Chemosynthesis is the process by which food is made by bacteria using chemicals as the energy source, rather than sunlight.
Answer: Photosynthesis and chemosynthesis. ... Chemosynthesis is the process by which food (glucose) is made by bacteria using chemicals as the energy source, rather than sunlight. Chemosynthesis occurs around hydrothermal vents and methane seeps in the deep sea where sunlight is absent
My doctor told me that I have breast cancer, but no one in my family has ever breast cancer? Why did I get it? I thought that breast cancer was inherited. She told me that it is due to changes in my genes, but I don't understand how changes in my genes can cause cancer.
Answer: Anyone can get any type of cancer, though you happen to be more likely to get it if relatives have, that is not a guarantee you are safe. Cancer occurs when some of your body's cells begin to divide and spread to other parts of your body and in surrounding tissue. Breast cancer is the cells in the breast tissue clumping together to form cancerous tumors. Though some tumors are benign, meaning they are not going to hurt you.I am sorry about the news, prayers.
Answer: because soomeone in your generation probably had it or if you got an infection wit your breast. I kw some people who asks the same questions
What's the primary reason that mammals and avian dinosaurs thrived in the Paleogene period? A. Plants developed as the main food source for these heterotrophic organisms. B. Their predators had been killed off by the Permian extinction. C. Their predators had been killed off by the Cretaceous-Paleogene extinction. D. The earth significantly warmed, and cold-blooded animals couldn't survive.
Answer:
The correct answer is option B, that is, their predators had been killed off by the Permian extinction.
Explanation:
The avian dinosaurs and the mammals were small creatures, living under the pump of the dinosaurs that reign the world, however, also were ceasing the further enhancement in the development and the size of these species. At the termination of the Cretaceous era, due to the colliding of an asteroid on the Earth, all the dinosaurs got wiped out from the Earth's surface, with the only remaining one of the species of dinosaurs were the small avian species.
Due to the opening of lots of niches, the avian dinosaurs and the mammals briskly began to diversify, evolve, and become much bigger in size. The mammals won the race for supremacy and they became the most prevailing species on the Earth.
Answer:
◉ B. Their predators had been killed off by the Cretaceous-Paleogene extinction.
Explanation:
Mammals and avian dinosaurs that survived Cretaceous Periodthrived during the Paleogene Period. Their predators had gone extinct at the end of the Cretaceous. The lack of larger predators allowed these lifeforms to proliferate.
If a toxic chemical destroys the ribosomes, which cellular activity would be affected
first?
Answer:
radioactive pytoplasm productin activity.
Explanation:
CUZ LOGIC EXISTS
Protein production will be affected if a toxic chemical destroys the ribosomes.
Explanation:
Ribosomes are a cell structure that makes protein. Protein is one of the most important Biomolecules which is required by the cell to carry out cellular process.
Ribosomes can be discovered gliding inside the cytoplasm or embedded to the endoplasmic reticulum. The area of the ribosomes in cell figures out what sort of protein it makes.
The protein synthesized by the free floating ribosomes are used by the cell for inter cellular functions, whereas the protein synthesized by the ribosomes embedded on endoplasmic reticulum is used for both inner as well as outer functioning of the cells.
Chromatic aberrations ____?
A. Blocks stars from most telescopes
B. Weakens the image of stars
C. Makes stars appear much larger than they are
D. Makes images of stars appear sideways
Answer: Weakens the image of stars
Explanation: Chromatic aberration is the defect in lens occurs when the light beam deflected by the lens is dispersed in its constituent colors. When the light beam deflected by the lens is dispersed in its constituent colors the image formed by the lens is not just a single point image it scatters images according to different colors of the light. There are two types of chromatic aberration Lateral chromatic aberration:The images formed in lateral chromatic aberration the image of stars is shifted to sideways of the real appearance of star.Longitudinal chromatic aberrationThe images formed in longitudinal chromatic aberration the image of stars is enlarged longitudinally to the real appearance of star. Thus, the image formed in this case is weaken longitudinallyWhen stars are observed from the earth the due to longitudinal chromatic aberration the image of star is weaken.
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Which of the following accuratelydescribes rill erosion?
A. Runoff from heavy rainfall forms narrow, shallow channels. B. A raindrop hits the ground and displaces the surrounding soil. C. Runoff removes soil and loose sediment in thin layers. D. Fast-moving water from heavy rainfall forms deep channels.
Answer:
A
Explanation:
When the surface runoffs are strong enough to cause sediment detachment and if the amount of sediment is within the load limit the runoff can carry, then these conditions are set for rill erosion. The rills are the narrow shallow strips that are formed for in the wake of the runoffs. They are formed from heavy downpours. The runoffs are fast but not as fast and strong as those in gully erosion.
Rill erosion is described as the process where runoff from heavy rainfall forms narrow, shallow channels known as rills across the land. This takes place when the water flows in small streams and erodes the soil, which is a common progression from sheet erosion.
Explanation:The correct answer to the question is A. Runoff from heavy rainfall forms narrow, shallow channels. This describes rill erosion, a common form of water erosion that often develops from sheet erosion. When runoff water accumulates and flows in small streamlets across the land, it creates these channels known as rills. If left unchecked, they can grow larger and potentially join together to form gullies, which are much deeper and more severe channels.
Rill erosion is distinct from rain splash erosion, where the impact of raindrops displaces soil particles, and from sheet erosion, where a thin film of water removes a uniform layer of soil. Unlike gully erosion, which is characterized by the formation of deep channels due to fast-moving water, rill erosion involves the development of smaller, more numerous channels that can gradually expand.
Which of the following affects the force of gravity between two objects ( may be more than one )
A. The objects masses
B. The objects density
C. The objects volumes
D. The distance between the objects
The force of gravity between two objects is directly affected by the objects' masses and the distance between them, as stated by Newton's Law of Universal Gravitation. Density and volume of the objects don't directly determine the gravitational force.A. The objects' masses and D. The distance between the objects.
Explanation:The force of gravity between two objects is affected by the following factors: A. The objects' masses and D. The distance between the objects. This concept is described by Newton's Law of Universal Gravitation, which states that the gravitational force between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. Therefore, if the mass of any object increases, the gravitational force between them also increases. Conversely, an increase in distance between objects reduces the gravitational force between them. The other options, B. The objects' density and C. The objects' volumes, do not directly affect the force of gravity between two objects.
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______ polymers can be produced in large quantities at low cost.
Electrical products
Explanation - Polymers of electrical products can be produced in large quantities and low cost. This type of polymer are non-conductive in nature. However, they very high heat resistance property. Polymers for electrical products can mold itself in various shapes and sizes and also can reach very minute areas.
Polymers vary from one item to another. Polymers for commercial packaging is different from polymers of electrical products. Thus, polymers need to be chosen properly according to the use and its effectiveness.
Synthetic polymers, such as plastics and rubbers, are cost-effective to produce and can be engineered for specific uses, from packaging to structural supports. They often have advantages over their natural counterparts and are essential in everyday life, although their non-biodegradable nature calls for effective recycling practices.
Explanation:Synthetic polymers can be produced in large quantities at low cost. The commercial production of synthetic polymers, such as plastics and rubbers, offer economic benefits over natural polymers. Through the process of polymerization, monomers are covalently bonded to form these large, complex molecules, which can then be tailored to have specific properties for diverse applications. High molecular mass polymers are used in a wide variety of consumer goods and materials such as clothing, medical devices, and structural supports experiencing corrosive environments.
Some common synthetic polymers include polyethylene, polyvinyl chloride (PVC), and polystyrene, which are derived from petrochemicals and possess properties that make them versatile and durable. Moreover, adding functional groups to polymers can drastically alter their properties. Recycling of polymers, particularly plastics, is important due to their non-biodegradable nature, which poses environmental challenges. This recycling helps minimize the usage of petrochemical resources and reduces environmental damage.
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Which part of the flower is the peduncle?
A. Flower Stem
B. Leaves
C. Roots
D. Reproductive parts
The peduncle of a flower is equivalent to the flower's stem. It supports the flower and allows for the transportation of nutrients and water to the flower.
Explanation:The peduncle of a flower is the part that serves as the flower's stem. It is the structure that supports the flower, and is typically located at the top of the plant, extending upwards to hold the flower aloft. Therefore, the correct answer to your question is A. Flower Stem. The peduncle connects the rest of the plant to the flower, allowing nutrients and water to travel from the roots and leaves to the reproductive parts of the flower.
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what's turmeric used for
Answer:
Turmeric and especially its most active compound curcumin have many scientifically-proven health benefits, such as the potential to prevent heart disease, Alzheimer's and cancer. It's a potent anti-inflammatory and antioxidant and may also help improve symptoms of depression and arthritis.
Final answer:
Turmeric is a spice used in cooking and has medicinal properties. It contains curcumin, which has anti-inflammatory and antioxidant effects. It can help reduce inflammation and act as an antioxidant, potentially benefiting various health conditions.
Explanation:
Turmeric is a spice that is commonly used in cooking, particularly in Indian cuisine. However, it also has a long history of being used for its medicinal properties. Turmeric contains a compound called curcumin, which has anti-inflammatory and antioxidant effects. It has been used to treat a variety of health conditions, including arthritis, digestive disorders, and even cancer.
One key benefit of turmeric is its ability to reduce inflammation in the body. Inflammation is the body's natural response to injury or infection, but chronic inflammation can contribute to the development of many diseases, such as heart disease, diabetes, and Alzheimer's. By reducing inflammation, turmeric may help in managing or preventing these conditions.
Turmeric can also act as a powerful antioxidant, protecting the body against damage caused by harmful molecules called free radicals. Antioxidants are important for overall health and may help reduce the risk of chronic diseases.
What is an exon?
a part of DNA that codes for a functional protein
a part of DNA that does not code for a functional protein
the beginning part of the DNA molecule
the end of part of the DNA molecule
A part of the DNA that codes for a functional protein i believe
Answer:
The correct answer is: a part of DNA that codes for a functional protein.
Explanation:
Transcription is the process in which a DNA fragment is used to synthesize an mRNA strand that will later be used to code for a protein.
Not every part of the DNA codes for functional proteins, many fragments will be cut off through a process that occurs right after transcription and is called splicing.
During splicing, the introns (parts that do not code for functional proteins) in the DNA are chopped off, while the exons remain and are stuck together.
The beginning part of the DNA molecule is called a promoter and is where the RNA polymerase binds to in order to start transcription.
Which characteristic of life relies on the sun?
cell structure
adaptation
using energy
reproduction
The characteristic of life that relies on the sun is using energy. Hence, the third option is correct.
Energy from the sun is captured by organisms like green plants, algae, cyanobacteria, and photosynthetic protists. These organisms perform photosynthesis where they convert solar energy into chemical energy, which is necessary for all living things to survive and carry out various life processes. Furthermore, the availability of light from the sun plays a pivotal role in the evolution of adaptations in these photosynthetic organisms, allowing them to capture light more effectively, especially in environments where light conditions can vary significantly, such as the understory of forests.
What is a phenotype
the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
a phenotype is an individual's observable traits. For example a phenotype is black hair or blue eyes.
Metamorphic rock formation from sedimentary rocks is caused by heat and pressure. After millions of years in transformation, the heat and pressure of the Earth's crust changes the physical and chemical properties of rock creating new textures to the rock. Metamorphic rocks are separated into two categories by their texture, foliated rocks and non-foliated rocks. The foliation or _______________that occurs in metamorphic rock is because of the immense __________________ found deep within the Earth's interior. A) blending, directional pressure B) blending, multi-directional pressure C) layering, directional pressure D) layering, multi-directional pressure
Answer:
C) layering, directional pressure
Explanation:
The foliated metamorphic rocks are those rocks subjected to heat and pressure during metamorphism, characterized by presenting a parallel alignment of minerals, which gives the rock an appearance of layers or bands.
Which of these best describes Earth’s core?
A/ Most dense layer, consists of the outer and inner parts.
B/ Thinnest under the oceans and thickest under continents.
C/ Middle layer, density increases with depth as pressure increases.
D/ Least dense layer overall, consists of two layers of different thickness.
Answer: A
Explanation:
The answer is A. The core has two parts; the inner and outer core. Plus, scientist have concluded that the core is the most dense layer out of deductive reasoning and experiments. B would be the crust (or the top most layer of the earth). C is the mantle. D is also the core. :)
Answer:
The answer is A
Explanation:
I had the test and this was correct
Which of these is the main difference between aerobic respiration and anaerobic respiration? A. Anaerobic respiration does not release energy. B. Anaerobic respiration does not consume glucose. C. Anaerobic respiration does not require oxygen. D. Anaerobic respiration does not produce ATP.
anaerobic respiration does not require oxygen so, option C is right answer
Answer:
It's C. Anaerobic respiration does not require oxygen.
Explanation:
C because Aerobic respiration cannot occur without oxygen. Anaerobic respiration occurs in the absence of oxygen. Both processes consume glucose, produce ATP, and release energy.
What might cause birds in population a to immigrate to the island? How will the level of competition among birds in population b change if many birds from population a join population b?
Birds from population A might immigrate to the island for better resources, to escape threats, or to follow established populations.
Immigration can increase competition among birds in population B, shift resource use, and change predator-prey dynamics.
The specific effects of immigration depend on various factors.
Reasons for immigration:
Better resources: The island might offer more abundant food sources, nesting sites, or other resources than the birds' current habitat in population A. This could be due to factors like fewer predators, more suitable vegetation, or a milder climate.
Escape from threats: The birds in population A might be facing threats in their current habitat, such as habitat loss, competition from other species, or disease. The island could offer a safer haven from these threats.
Following established populations: If birds from population A have already successfully colonized the island, this could attract other birds from the same population to follow suit. This phenomenon is known as social attraction.
Changes in competition:
Increased competition: If many birds from population A immigrate to the island, they will compete with the birds in population B for resources such as food, nesting sites, and mates. This could lead to increased competition among birds in population B, potentially harming their survival and reproductive success.
Shift in resource use: The arrival of new birds from population A could also lead to a shift in how resources are used on the island. For example, if the new birds occupy a different ecological niche than the birds in population B, they might not compete directly for the same resources. However, they could still indirectly affect each other by, for example, consuming prey that the other population relies on.
Changes in predator-prey dynamics: The arrival of new birds could also affect the predator-prey dynamics on the island. For example, if the new birds are prey for a predator that also preys on birds in population B, this could increase the overall predation pressure on both populations.
The specific effects of immigration on competition will depend on a variety of factors, including the number of birds that immigrate, the similarity of the two bird populations, and the resources available on the island.
Overall, the immigration of birds from population A to the island is likely to have a significant impact on the level of competition among birds in population B. The exact nature of this impact will depend on the specific circumstances, but it is likely to be complex and multifaceted.
what are different types of information that your body can detect from the outside world?
Answer:
The human body has got five senses that collect information from the outside world.
Explanation:
Below are some of the senses and the information they collect:
Matter
Matter is the physical atoms and molecules of solids, liquids and gases which produces heat energy that we can detect through our sense of touch.
We collect information about gases through smelling.
Space
As far as we can tell from our senses, there are three dimensions of space information collected by our bodies.
We can see light energy which reflects off surfaces.
Time
We create our sense of time internally through interacting with objects or other people.
The body detects external information via five special senses: olfaction, gustation, equilibrium, vision, and hearing, as well as general senses like temperature, pain, pressure, and vibration. These senses work through sensory transduction, converting stimuli into electrical signals.
The human body can detect a variety of sensations from the outside world through specialized sensory systems. We have five special senses: olfaction (smell), gustation (taste), equilibrium (balance and body position), vision, and hearing. These senses allow us to receive information about our environment and help us to interact with it. Additionally, our bodies have general senses, also known as somatosensation, which respond to stimuli such as temperature, pain, pressure, and vibration.
Within our skin are nerve receptors that facilitate our sense of touch. These receptors can detect pressure, hot, cold, and pain. Moreover, humans are capable of detecting approximately 10,000 different odours thanks to our approximately 1,000 types of odour receptor cells. Our vestibular system provides our sense of spatial orientation and balance, while proprioception informs us of the position of our bones, joints, and muscles, which is essential for movement coordination, known as kinesthesia. All sensory systems share a common function: the conversion of stimuli into electrical signals in the nervous system, a process known as sensory transduction.
In four o’clock plants, there are three phenotypes for flower color but only two alleles. In one population, q2 = 0.169, and the population is assumed to be in Hardy-Weinberg equilibrium. The table below shows the number of plants of each phenotype that are expected in a population of 1,000 plants in the next generation.
Phenotype
Number expected
Red flowers
105
Pink flowers
484
White flowers
411
In the next generation, what p value is expected?
0.105
0.411
0.516
0.589
Answer:
Answer:
The correct answer would be 0.589
The Hardy-Weinberg equation is p + q = 1
In addition, the frequencies of p and q in a Hardy-Weinberg population remain the same generations over generations.
The value of q⁸ is given as 0.169
So, the value of q = ⇒ 0.411
Thus, the value of p = 1 - 0.411 ⇒ 0.589.
So, the expected value of p would be 0.589
The p-value for the next generation of four o'clock plant for the flower color will be 0.589. Thus, the correct option is D.
What is Hardy-Weinberg equilibrium?The Hardy-Weinberg Equilibrium is an important fundamental principal of the population genetics, which states that the genotype frequencies in a population remains constant between the different generations in the absence of any kind of disturbance by the outside factors.
The expected p-value in the next generation can be calculated by Hardy-Weinberg equilibrium through the formula:
p + q = 1
where, p and q are the frequencies of different alleles in a population.
q² = 0.169
q = [tex]\sqrt{0.169}[/tex]
q = 0.411
p + q = 1
p = 1 - q
p = 1 - 0.411
p = 0.589
Therefore, the p-value expected for the next generation will be 0.589.
Therefore, the correct option is D.
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Identify the steps in the rain shadow process.
The first step is: warm, moist air rising
The second step is: rain shadow effect
The third step is: air cooling and condensing
What do you think? Are humans an invasive species? Refer to the definition of invasive species to support your answer. Invasive species: A species that is not native to an ecosystem and causes environmental and/or economical harm.
Answer:
Yes, the humans are invasive species.
Explanation:
The homeland of the modern day humans is Africa, thus they are native o the African continent. But the humans started to spread gradually, first in Eurasia, and later in Australia, North America, South America, and the Pacific islands, to a point now where they have reached pretty much every corner of the world. This is a textbook example of an invasive species that has entered into new ecosystems. Not just that the humans were entering into new ecosystems, but they also were changing the ecosystems, more often then not causing a lot of damage on them, leading to the destruction of lot of habitats and extinction of lot of species.
Whether humans can be classified as an invasive species depends on one's perspective. By definition, humans can't be invasive since they are native to Earth. However, considering the widespread impact humans have had on the global ecosystem, much like invasive species, some argue that humans have invasive tendencies.
Explanation:Humans can be considered an invasive species depending on the perspective. Firstly, let's understand what characterizes an invasive species. An invasive species is defined as a species that is not native to a particular ecosystem and may cause environmental or economical harm by altering the environmental balance. They typically spread dramatically, out-competing native species for resources, disrupting food webs, and often carrying diseases.
Humans have often been responsible for the introduction of invasive species into new ecosystems, often causing significant environmental damage. However, whether humans are classified as invasive themselves can be debated. From one perspective, humans have spread to every continent on earth and have a profound impact on the global ecosystem. They have been responsible for large scale habitat destruction, extinction of native species and environmental/vyingal harm.
However, if we adhere strictly to the definition of invasive species, humans evolved on earth and hence, cannot be labelled 'non-native'. Also, whether humans are harmful to the environment or not can be subjective and is often viewed in terms of a 'harmful' or 'beneficial' balance. Although it's clear that human activities negatively impact the environment, there are many instances of humans working to restore ecosystems and protect native species too.
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Gordon added a variety of liquids to a large beaker and allowed them to settle. Which list is ordered from most dense to least dense based on the picture?
Answer:
dish soap, vegetable oil, lamp oil
Explanation:
The substances with higher densities will sink below than those with lower densities.
There are three substances namely oil, honey and water in which the oil with the lowest density floats on the top of the water but the honey with the highest density settles at the bottom.
What is Density?Density is defined as the mass per unit volume of a substance where the symbol used for density is ρ, although the Latin letter D may also be used. Density is defined as mass divided by volume:
[tex]{\displaystyle \rho ={\frac {m}{V}}}[/tex]
where, ρ is density,
m is mass, and
V is volume
In the example above, the liquid is honey which is the densest liquid of the group that was analyzed where water is the second densest liquid analyzed which is heavier than oil and ethyl alcohol, and lighter than honey. Oil floats in water, which has a lower density than it does.
Thus, there are three substances namely oil, honey and water in which the oil with the lowest density floats on the top of the water but the honey with the highest density settles at the bottom.
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What term describes a species that has far fewer members today than in the past?
A.) restored
B.) specialized
C.) protected
D.) threatened
The correct term that describes a species that has far fewer members today than in the past is D. threatened.
A species is considered threatened when its population has declined significantly compared to historical levels, and it is at risk of becoming endangered if the factors causing the decline are not addressed. This term indicates that the species is facing serious threats to its survival, which could be due to habitat loss, overexploitation, pollution, invasive species, disease, or climate change.
Option A, restored, refers to a species that has been brought back from a state of decline to a healthier population size, often through conservation efforts.
Option B, specialized, describes a species that has evolved to fill a specific ecological niche, often with a very particular set of adaptations for its habitat or food source. This term does not necessarily imply anything about the species' population size.
Option C, protected, refers to a species that is legally safeguarded by measures such as laws, regulations, or international agreements to prevent it from becoming extinct. While protection is often afforded to threatened species, the term protected itself does not indicate a decline in population size, only that measures are in place to prevent such a decline.
The correct answer is option (D). Threatened term describes a species that has far fewer members today than in the past.
When a species is considered threatened, it means that the species is at risk of becoming endangered in the near future.
This is due to a significant reduction in its population size, which could be caused by various factors such as habitat loss, pollution, overexploitation, or the introduction of invasive species. The term threatened encompasses species that are likely to become endangered throughout all or a significant portion of their range within the foreseeable future.The other options do not accurately describe a species with a drastically reduced population:
A. Restored -
This term would imply that the species has been brought back to a healthy population level after previously being reduced, which is not the case for a species with far fewer members today than in the past.B. Specialized -
This term refers to a species that has a narrow ecological niche, which may make it more vulnerable to environmental changes, but it does not directly indicate a reduction in population size.C. Protected -
This term indicates that legal or other forms of protection have been put in place for the species, but it does not necessarily mean that the species has a reduced population size. A protected species could still be abundant.how does competition affect weaker organisms of a species
Answer:When two organisms compete for resources, typically the stronger, faster, or smarter organism wins. If the other organism isn’t able to find resources, it may not survive.
Explanation:
Final answer:
Competition affects weaker organisms within a species by reducing their access to resources necessary for survival, which can lead to lower reproduction rates and the eventual extinction of the less adapted species. Interspecific competition creates selective pressure, influencing evolutionary outcomes like niche specialization or displacement.
Explanation:
Competition affects weaker organisms of a species by placing them at a disadvantage when it comes to survival and reproduction. When two species "fight" over a resource, the species that is less adapted may get fewer resources, leading to lower survival rates and possibly extinction of that species. Moreover, even the winning species experiences a negative impact as valuable resources and energy are used up in the process of competition. Interspecific competition acts as a selective pressure, which can lead to different outcomes including niche specialization or the complete displacement of the less competitive species.
if earth did not rotate, how would air at the equator move?
there would be no movement
air would sink and move towards the poles
air would rise and move towards the poles
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Answer: Air would rise and move towards the poles hope this helps you out :) Please let me know if you have any more questions
Answer: Option (3)
Explanation: If the rotation of the earth stops, then there will be a direct impact on the existing air circulation pattern.
If the earth stops rotating, then there will be no generation of the coriolis force. Coriolis force is the force that comes into the picture when the moving air masses gets deflected in both the hemisphere due to the rotation of the earth.
If there is no coriolis force, then there is no deflection of air mass. So the air mass would simply rise up, being less dense and migrate towards the poles without changing its path.
Thus, the correct answer is option (3).
the struggle between organism for resources
The struggle among organisms for the same limited natural resources is called competition.
Competition is a fundamental ecological interaction where organisms of the same or different species strive to obtain the same or similar resources that are in limited supply, such as food, water, shelter, and living space. This competition can occur within a population (intraspecific competition) or between different species (interspecific competition).
The struggle to acquire these limited resources is a key driver of natural selection, as organisms that are better adapted to obtain the necessary resources will have a higher probability of survival and reproduction, passing on their advantageous traits to future generations.
complete question: The struggle among organisms for the same limited natural resources is called UUUU
in humans, having wet earwax is a dominant trait. Having dry earwax is recessive. a man has one recessive allele and one dominant allele and a woman has has two dominant alleles. if this man and woman have a child, is it possible for their child to have dry earwax? Explain.
No, it is not possible for them to have a child with dry earwax. In order for them to have a child with dry earwax, the child must have two recessive alleles in that trait. As the father is the only one who has one, there will be a 50% chance of heterozygous offspring, and a 50% chance of homozygous offspring in the dominant allele - no homozygous offspring in the recessive allele.
Final answer:
No, it is not possible for the child of a man with one dominant and one recessive earwax allele and a woman with two dominant alleles to have dry earwax, as they cannot inherit two recessive alleles in this scenario.
Explanation:
In humans, having wet earwax is a dominant trait while having dry earwax is a recessive trait. The gene for earwax type is located on chromosome 16. A man with one dominant (W) and one recessive (w) allele has wet earwax because the dominant trait is expressed when an individual is heterozygous.
A woman with two dominant alleles (WW) also has wet earwax. When these two individuals have a child, their offspring could have the following genotypes: WW (wet earwax, received a dominant allele from both parents), or Ww (wet earwax, received a dominant allele from one parent and a recessive allele from the other). The possibility of this child having dry earwax (ww) is nonexistent because the woman cannot provide a recessive allele.
List four characteristics that are representative of most primates and lead paleoanthropology to conclude that primates share a common ancestry
Answer:
- prehensile hands and feet
- five digits and opposable thumbs
- flexible and limber shoulders and hips
- big and complex brains
Explanation:
The primates are the most intelligent animals collectively, and they include the most intelligent animal on the planet, the human. All of them share some common characteristics that lead the paleoanthropology to conclude that they share a common ancestor. Most of them have prehensile hands and feet, which is a rare among other groups of animals. Almost all of them have five digits on their hands and feet, possessing opposible thumbs as well, enabling them to grab things. The shoulders and hips are also much different than the other animals, being much more flexible and limber. The most important characteristic maybe is their brain, as it is abnormally large and complex when compared with other animals of the same sizes. Their complex brains enable them to perform numerous things that other animals can't even imagine, and eventually that large brain helped in creating the most intelligent animal on the planet, the human.
Primates share several characteristics that lead paleoanthropology to conclude that they have a common ancestry: opposable thumbs, forward-facing eyes, flexible hands and feet, and a large brain relative to body size.
Explanation:Primates share several characteristics that lead paleoanthropology to conclude that they have a common ancestry. Four of these characteristics are:
Opposable thumbs: Most primates have opposable thumbs, which allows them to grasp objects and manipulate their environment.Forward-facing eyes: Primates have eyes that are positioned at the front of their face, providing better depth perception and allowing them to accurately judge distances.Flexible hands and feet: Primates have long fingers and toes with flexible joints, allowing them to grasp and hold onto branches or objects.Large brain relative to body size: Primates have relatively larger brains compared to their body size, which is associated with their higher cognitive abilities.Learn more about Characteristics of primates here:https://brainly.com/question/32632913
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