The basic trends in hominid evolution were terrestrial evolution, large brain, bipedalism, inclusion of meat protein in diet and civilization. These traits evolved over the time and found in modern human.
Explanation:
Hominid evolution is the trend of evolution from ancestors to modern human involving the five steps these are terrestrial evolution, large brain, bipedalism, inclusion of meat protein in diet and civilization.
Evolution is the term used for changes in characteristic features for natural selection or better survival and adaptation to the environment. The human share 99% of genetic sequence with chimpanzee, making the closer evolutionary relationship.
Evolutionary trend is a change in traits or character which results in significant change with time.
The idea of cooking the meat on fire is an example of increase brain size and evolution.
The evidences of bipedal locomotion was seen in several categories of early man studied in fossils show evolution in locomotion.
Bipedal locomotion is an example of transition of life from arboreal to terrestrial life hence terrestrial evolution.
The use of tools came in to existence leading to civilization and increase brain size.
The large energy requirement of brain tissue with increase in brain size meat was opted for fuelling the protein source.
9. Surtsey is an island located south of Iceland that was formed by a volcanic eruption. Surtsey first
appeared in the 1960s. Ecologists documented the stages of succession as found below
A. Dwarf willow trees begin to grow on the island.
B. Mosses, lichens, and plants that are adapted to be dispersed by the wind or sea and able to grow in
the sand appear on the island.
C. Vascular plants included sea lyme grass and oyster plants appear
D. The lava and sand formation that resulted from the eruption are barren with few nutrients
Write the correct order of the letters A-D above to best represent the order of succession:
Correct Order:
D. The lava and sand formation that resulted from the eruption are barren with few nutrients.
C. Vascular plants included sea lyme grass and oyster plants appear.
B. Mosses, lichens, and plants that are adapted to be dispersed by the wind or sea and able to grow in the sand appear on the island.
A. Dwarf willow trees begin to grow on the island.
Explanation:
The very first vascular plant was observed on Surtsey's northern shore in 1965 during the spring while mosses were evident in 1967 and lichens were first identified in 1970 on Surtsey lava. Plant expansion on Surtsey was carefully examined, particularly as vascular plants had much greater value in vegetation growth than mosses, lichens and fungi.But now lichens and mosses are covered in most area of the islands.Twenty species of plants were recorded at some time or another during the very starting twenty years of the island but only ten were formed in the nutritional-poor sandy soil. As birds started breeding on the island, soil conditions were improving, and more varieties of vascular plants could survive.Fill in the blank.
Offspring from parents with different forms of the same trait are called ________
WILL GIVE BRAINIEST
what is the source of food for germinating seed?
Answer:
The three primary parts of a seed are the embryo, endosperm, and seed coat. The embryo is the young multicellular organism before it emerges from the seed. The endosperm is a source of stored food, consisting primarily of starches
Explanation:
This video is showing us way more details
than we need to remember! So focus on
the fact that Glycolysis happens in the
- mao and starts by breaking_
apart.
Answer:
Glycolysis happens in the cytosol and starts by breaking glucose apart (into 2 pyruvates). :)
How does a change in abiotic factors influence the stability or progression of an ecosystem
Answer:
Abiotic factors of ecosystem are the non-living component such as water, air and nutrients. If abiotic factors are changed, the ecosystem is disturbed because abiotic factors are very important components of ecosystem. Without these, the ecosystem will not perish or grow. If water is removed from an ecosystem, all the organisms will be die because every living organisms needs water for their survival. If nutrients are not available, the food produce by plants is less in quantity and animals which feed on plants die because of huger.
Plate boundaries that move towards each other are called
Answer:
plate boundaries that are moving towards each other is called a convergent boundary.
As the human population grows, some minerals in everyday products could become scarce. Which of the following is the best way to address this problem?
A. Move human communities to uninhabited areas.
B. Explore uses of more plentiful minerals.
C. Use more energy to locate existing minerals.
D. Construct more and larger-sized landfills.
Answer:
B. Explore uses of more plentiful minerals
Explanation:
The correct option is B.
Why is exploring minerals important?Exploration is an important step in finding minerals so they can be potentially mined. Our demand for minerals is increasing, for example, we need more copper to build renewable energy assets such as wind turbines. This demand is helping drive an increase in exploration across the state.
What are the main uses of minerals?They are used in the manufacture of concrete, bricks, and pipes and in building houses and roads. Industrial minerals are non–metallic minerals used in a range of industrial applications including the manufacture of chemicals, glass, fertilizers, and fillers in pharmaceuticals, plastics, and paper.
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Why do we find probability of deviation in biology ? And when can the null hypothesis be accepted
Answer: probability is used to predict the chance that an event is likely to occur at a particular chosen level of significance.
Null hypothesis is accepted in biology when the p value is less than 1%, statistically, when the value of p<0.01
Explanation:
Determing the significance level is decided by the researcher, often times, scientists commonly use the 0.05, 0.01, or 0.001 probability levels as cut-off values. For instance, in the example experiment, you used the 1% probability. Thus, P ≥ 0.01 can be interpreted to mean that chance likely caused the deviation between the observed and the expected values (i.e. there is a greater than 1% probability that chance explains the data).
If instead we had observed that P ≤ 0.01, this would mean that there is less than a 1% probability that our data can be explained by chance. There is a significant difference between our expected and observed results, so the deviation must be caused by something other than chance.
Why are producers an essential component of an ecosystem
Answer:
Producers are an essential component of an ecosystem because they create food from inorganic matter for the consumers to eat. Plants like lichens and algae are key producers that convert water, sunlight, and carbon dioxide into carbohydrates. If not for producers, the consumers probably would not have as much or any food to eat!
Explanation:
Producers are essential in an ecosystem because they convert sunlight into food through photosynthesis, provide energy for other organisms, and release oxygen as a byproduct.
Explanation:Producers play a vital role in an ecosystem. They are organisms that can convert sunlight into food through the process of photosynthesis. This ability allows them to create their own energy-rich molecules, such as glucose, which serve as the basis of the food web.
Producers form the foundation of the food chain as they are the primary source of energy for other organisms. Herbivores, such as rabbits, rely on producers for sustenance, and carnivores, like wolves, depend on herbivores. Without producers, the energy flow in the ecosystem would be disrupted, resulting in the collapse of the food web.
In addition to providing energy, producers also release oxygen during photosynthesis, which is essential for the survival of many organisms, including humans. Through this process, they help to maintain the balance of carbon dioxide and oxygen levels in the atmosphere.
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Please help asap, BRAINLIEST
1)Which term best names the process that causes the removal of material by moving water, ice, and wind?
a)porosity
b)permeability
c)sedimentation
d)erosion
2)A scientist describes the topography of the land as being of the karst type.
Which process has caused the formation of this topography?
a)sedimentation
b)erosion
c)uplift
d)deposition
3)Which term refers to a landslide?
a)mass wasting
b)pollution
c)cave formation
d)sedimentation
4)Which age of river is usually slow and meandering?
a)middle age
b)mature
c)new
d)youth
5)Which term describes a region with limestone that has caves and associated surface features?
a)mass wasted
b)pocketed
c)karst
d)eroded
the answer to number 1 is D erosion
Final answer:
D) Erosion is the process that causes the removal of material by moving water, ice, and wind. The formation of karst topography is caused by chemical weathering of limestone underground. A) Mass wasting refers to a landslide. A B) mature river is usually slow and meandering. A region with limestone that has caves and associated surface features is called C) karst.
Explanation:
1) The term that best names the process that causes the removal of material by moving water, ice, and wind is erosion. Erosion is a mechanical process driven by water, gravity, wind, or ice that removes sediment from weathering. It is the principal agent of erosion.
2) The process that has caused the formation of karst topography is chemical weathering of limestone underground and the action of gravity forcing the overlying earth to fill in the void. This leads to the landscape appearing pockmarked.
3) Mass wasting refers to a landslide. It is the movement of rock, soil, or other materials downslope due to the force of gravity. A landslide is an example of mass wasting.
4) The age of a river that is usually slow and meandering is the mature age. A mature river has a lower gradient and its flow is slow, causing it to meander.
5) The region with limestone that has caves and associated surface features is known as karst. Karst topography is characterized by limestone dissolution, resulting in caves and sinkholes.
6. How is a community different from a population?
A A community is a group of many different species, while a population
is made up of individuals of one particular species.
B A community is a group of similar organisms in one area; a population
is a group living in many different areas.
CA community is smaller than a population.
D A community involves only one species, while a population involves
more than one species.
Answer:
B
Explanation:
B
Most Accurate Answer There
In my opinion
During your summer internship at a laboratory, you are given the opportunity to view a chimpanzee zygote under a microscope. You see that it has 48 chromosomes. How many chromosomes would you expect to find in a chimpanzee’s egg cell?
Answer:
If the chimpanzee’s zygote has 48 chromosomes, one would expect to find 24 chromosomes in a chimpanzee’s egg.
Explanation:
In a living organism, somatic cells are diploid and possess the full chromosome load, while gametes -sex cells- possess half of the total chromosomes, they are haploid.
The zygote of any organism that reproduces sexually results from the union of a male gamete and a female gamete, so its chromosome load is complete.
This means that if the chimpanzee has 48 chromosomes in its cells, the female sex cell - the egg - has 24 chromosomes.
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T/F: The ear is responsible for special senses
Answer: True
Explanation: The answer is true, I believe. Small hairs located in your ear are responsible for balance. When you move, these movements cause the hairs to bend.
Answer the research question and hypothesize about the results of the addition of this invasive species. A) Biodiversity will remain constant and although the existing top level consumers will be wiped out, they will be replaced by other species. B) The sea lamprey will work through the food web, top to bottom. The old web will collapse and there will be a drastic decrease in biodiversity. C) The consumers with the purple and blue bands will become extinct. The producers and herbivores will dominate the ecosystem. Biodiversity will decline. D) The top level consumers will disappear and biodiversity will decline, but because of the complexity of the food web, it will sustain itself over time.
Biodiversity will remain constant and although the existing top level consumers will be wiped out, they will be replaced by other species.
What is Biodiversity?The variety of animals, plants, fungi, and even microorganisms like bacteria that make up our natural environment are all included in what is known as biodiversity. These various species and critters collaborate in complicated web-like ecosystems to keep things in balance and support life.
We run the risk of disturbing the balance of ecosystems and losing biodiversity as humans put more and more strain on the world by utilizing and consuming more resources than ever before.
According to the WWF's 2022 Living Planet Report, since 1970, the number of mammals, fish, birds, reptiles, and amphibians has decreased globally on average by 69%.
Therefore, Biodiversity will remain constant and although the existing top level consumers will be wiped out, they will be replaced by other species.
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These moth wings shown in the image below are all the same species.
The difference between their wings is an example
A.) Autotrophs
B.) Natural Selection
C.) Extinction
D.) Variation (traits)
Answer:
D) Variation
Explanation:
take a look at the moths, they each have something different and unique about them. Please give brainliest, i really need it thanks buckaroo :P
The correct answer is variation(traits).
What traits do moths have?
Compared with butterflies, moths have stouter bodies and duller colouring. Moths also have distinctive feathery or thick antennae.
What types of wings do moths have?
In moths, males frequently have more feathery antennae than females, for detecting the female pheromones at a distance. There are two pairs of membranous wings.
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Explain why scientists must use only certain enzymes when
inserting or removing a defective gene from a cell
Certain enzymes will splice out only the target gene and different enzymes will cut DNA at different locations.
Explanation:
Removing or inserting defective genes and replacing the defective one with the normal one is one of the genetic engineering technique that helps in curing the disease and improving the health status.
When inserting or removing any defective gene, we have to be careful in using the enzymes that would help in splicing out only the targeted gene. If wrong enzymes are used there are chances that it may cut out the normal gene.
Initially, the gene that has to be modified or removed or inserted is chosen and then it is isolated in a matching vector. Finally, it is inserted or removed from the host cell.
Bacteria can be classified by shape. For the following bacteria species, give their basic bacterial shape.
Streptococcus pyogenes:____________________ Paenibacillus polymyxa:_____________________ Aquaspirillum bengal:______________________
Streptococcus pyrogenes : Round (or) Ovoid
Paenibaccilus polymyxa:
Aquaspirillum bengal: Helical
Explanation:
Streptococcus pyogenes are gram positive, Round shaped, Anaerobic growth bacteria, Non-motile bacteria.Aquaspirillum bengal is helical in shape with its composition of deoxyribonucleic acid and cytosine. It is Gram negative and chemo-organotrophic. It is also motile with the help of flagella.Paenibacillus polymyxa is also known as Bacillus polymyxa which is capable of fixing nitrogen. It is found in soil, plant tissues and marine sediments. It has a major role in forest ecosystems and potential future applications as a biofertilizer and biocontrol agent in agriculture.Final answer:
Streptococcus pyogenes is coccus-shaped, Paenibacillus polymyxa is bacillus-shaped, and Aquaspirillum bengal is spiral-shaped. There are multiple arrangements for coccus and bacillus shapes, and spiral shapes can vary, including vibrio, spirillum, and spirochete. Bacterial sizes are measured in micrometers (μm).
Explanation:
Bacteria can indeed be classified by their basic shapes, which include coccus, bacillus, and spiral.
For the species mentioned:
Streptococcus pyogenes: This species has a coccus shape, which is spherical. The prefix 'strepto-' suggests that these bacteria are often found in chains.Paenibacillus polymyxa: This species is bacillus in shape, which means it is rod-shaped.Aquaspirillum bengal: This species exhibits a spiral shape. Specifically, it belongs to the spirilla class, known for its spiral or corkscrew appearance.Additionally, cocci can have several distinct arrangements based on planes of division, including diplococcus, streptococcus, tetrad, sarcina, and staphylococcus. Bacillus shapes can also be found as single bacillus, streptobacillus, or coccobacillus. The spiral form includes variations such as vibrio, spirillum, and spirochete. Finally, the size of these bacteria is typically measured in micrometers (μm), which is one millionth of a meter (10-6).
4. Analyze Explain why the form of
reproduction shown in the figure below is
an advantage for the organism. Sc.7.1.16.3
Sexually reproducing organisms have the advantage of producing offspring with unique gene combinations.
Explanation:The advantage that populations of sexually reproducing organisms have over asexually reproducing organisms is the production of offspring with unique gene combinations. Sexual reproduction involves the fusion of gametes, which are specialized sex cells, from two parents. This process leads to genetic variation in the offspring, which can enhance their chances of survival and adaptation to changing environments.
Final answer:
Sexual reproduction is beneficial because it leads to genetic diversity and evolutionary flexibility, allowing populations to better adapt to environmental changes and challenges.
Explanation:
Sexual reproduction offers several evolutionary advantages over asexual reproduction, despite the apparent benefits of asexual reproduction like not needing to find a mate and the ability to grow populations rapidly.One major advantage is genetic diversity, which results from the unique gene combinations of offspring. This diversity allows populations to adapt to changing environments and may enhance survival when facing diseases, parasites, and environmental changes.Sexual reproduction also involves three different life-cycle strategies, each promoting variation among offspring.The potential for diverse and adaptable traits through sexual reproduction indeed points to an inherent evolutionary strength. Moreover, even though producing genetically identical offspring through asexual means could be straightforward for survival in stable conditions, the dynamic nature of ecosystems often favors the evolutionary flexibility provided by sexual reproduction.Some technologies have a number of negative effects. Witch is a negative outcome of the technology of vertical farming
"Potential unemployment" is a negative outcome of the technology of vertical farming.
Explanation:
Vertical farming is an activity where food is produced on vertically oriented surfaces. Rather than single-level farming of vegetables as well as other crops, such as in a field or greenhouse, this approach generates food in vertically stacked structures that are typically built into other structures such as a skyscraper, shipping container or repurposed store.
Disadvantages are like
Building may be very costly, and economic impact assessments have not yet been undertaken.It would be quite difficult and costly to paint. That would require higher costs of labor. It depends too much on technology and would devastate one day of loss of power.How can a change to the population of one species affect an entire ecosystem?
please help!!
Changes to the population of one species can have cascading effects on other populations and the overall functioning of an ecosystem.
Explanation:Changes in one species' population can impact the entire ecosystem. For example, if the population of a predator species decreases, it can lead to an increase in the population of its prey species. This can result in a decline in the prey species' food source and eventually a decrease in their population as well.
Additionally, changes in one species can also disrupt the balance of other species that rely on or interact with it in the ecosystem. For instance, if a species suddenly becomes dominant in an ecosystem, it can outcompete other species for resources such as food, water, and shelter, leading to the decline or even extinction of those species.
This can cause a ripple effect throughout the ecosystem, impacting the abundance and distribution of other organisms, as well as the functioning of various ecological processes.
Overall, the interconnectedness of species within an ecosystem means that changes in one population can have cascading effects on other populations, ultimately shaping the structure and functioning of the entire ecosystem.
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The taxon that consists of one or more genera (plural form of genus) is the
The taxon that consists of one or more genera (plural form of genus) is the family.
Explanation:
According to the modern taxonomic classification system, there are eight major levels of division – Domain, Kingdom, Phyllum, Class, Order, Family, Genus, and Species.
Family is the taxonomic order which comes next to the Order and before Genus and consists of one or more genus or genera but sharing a common attributes. The ancestral origin of the family members remains the same.
The kinds of families depend upon the Kingdoms and Orders in the taxonomy. Carl Linnaeus termed family as familia in his classification and divided the major plant groups or families as trees, palms, ferns etc.
Among the family of carnivores in animals, there are many genera like Canidae, Felidae Ursidae etc.
Answer:
Family
Explanation:
Use the diagram to identify the parts of the nervous system. Label A is pointing to the nervous system. Label B is pointing to the nervous system.
Answer:
Label A is pointing to the peripheral nervous system.
Label B is pointing to the central nervous system.
Explanation:
The nervous system is split into two parts: the central nervous system and the peripheral nervous system.
The central nervous system (CNS) processes and coordinates information in the body. It consists of the brain and spinal cord. The brain is responsible for sensory processing and decision making; it then sends messages down the spinal cord, which transmits these messages to the rest of the body.
The peripheral nervous system (PNS) refers to the rest of the body. It transmits information to and from the CNS. It is responsible for sensory input and movement (though motor control comes from the CNS). The PNS is further divided into two systems: the somatic system, which controls volutary movements and sensory information, and the autonomic system, which regulates involuntary functions.
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can plzzz
put the explanations was to why one is correct and why the others are wrong
Hi there!
Question 15:We can see from the graph the spikes during the dry years in beak size, which happen every single time there is a dry year. We can then reasonably infer that this would happen with an extended period of drought, however more significantly as well.
This makes your answer B, the birds with larger beaks would be more numerous.
Looking through the other answer choices - A is incorrect, as just stated above the larger ones would likely become more numerous. C is also incorrect, as we can see from the graph during dry years it does influence ground finches. Finally, D is also incorrect, as we can see the average obviously moving upwards to those with bigger beaks.
Question 16:
We are given that during dry years, the finches eat larger seeds as the smaller seeds are less abundant. This means that those finches with larger beaks would have an advantage for survival, as it is easier for them to eat these larger seeds compared to those with smaller beaks. This then means that more and more finches with larger beaks would survive, making the overall population have larger beaks over time.
This makes your answer C, different adaptations gave some birds a better chance for survival.
Looking through the other answer choices - A is incorrect, as they cannot just decide to acquire larger beaks. B is incorrect, as mutations do not just happen and cause such a big shift, and in an efficient direction (most mutations end up not affecting the animal at all. Finally, D is incorrect, as I don't think beaks have the capability of getting larger as they are exercised more.
Hope this helps! Feel free to let me know if you have any additional questions about this specific problem.
Suggest why carbohydrates such as bread should be wholegrain if possible.
Answer:
Carbohydrates are in everything, they are an essential energy in the Human Body
So your best guess/answer should be that you can switch to wholegrain, and in other words. This is basically things like Wheat bread.
Explanation:
And here's your why. The less carbohydrates you consume, the less you have to worry about excessive weight loss.
Whole grain breads should be preferred whenever possible because they are a good source of complex carbohydrates, provide more fiber and nutrients, and have a lower glycemic index compared to refined carbohydrates.
Explanation:Whole grain breads should be preferred whenever possible because they are a good source of complex carbohydrates. Complex carbohydrates provide more fiber and nutrients compared to refined carbohydrates found in white bread.
For example, a slice of whole grain bread has about 15 grams of carbohydrates, while a slice of white bread has about 12 grams. Whole grains also have a lower glycemic index, which means they are digested more slowly and provide a steady release of energy throughout the day.
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James wants to estimate the absolute age of an animal fossil. However, test results show that the fossil doesn't contain any atoms of carbon-14.
What can James conclude about the lack of carbon-14?
I
OA. The animal, whether living or dead, never had carbon 14 in its system.
B. The animal's carbon-14 decayed long before the animal died.
C.
Finding another fossil nearby without carbon-14 will guarantee that he has matching fossils.
D.
Without carbon-14, it will be an impossible task to estimate the age of the fossil.
E. Without carbon-14, James can use relative dating to estimate the age of the fossil.
Answer:
B. The animal's carbon-14 decayed long before the animal died.
Explanation:
The absence of carbon-14 suggests that the isotopes have decayed over time, indicating that the fossil is likely older than the time frame during which carbon-14 is detectable.
Answer:
Without carbon-14, James can use relative dating to estimate the age of the fossil.
Explanation:
5. If insects and birds fly from flower to flower to help with pollination, why are there not flowers of
mixed species?
Answer:
Because they are not animals
Explanation:
They are plants still living but plants
Answer choices:
a
inversion
b
duplication
c
translocation
d
deletion
Answer: Option A) Translocation
Explanation:
Translocation is the transfer of a chromosomal segment to another. Hence, it results in an interchange of genetic parts among chromosomes that are not similar (part of chromosome labelled 4 was translocated to the chromosome labelled 18)
why do developing nations favor the construction of high dams
Answer: Small dams can be a sustainable and economic source of electricity, especially in rural areas. ... Because dams lead people to believe that floods are controlled, they lead to increased development of floodplains. When a large flood does come, damages caused are often greater than they would have been without the dam.
Explanation:
Please give brainliest!
Organisms use nitrogen in which one of the following ways?
A)Certain bacteria living in the roots of plants convert nitrogen to a form plants
can use, and animals obtain their nitrogen by eating those plants.
B)Plants absorb nitrogen from the air in photosynthesis and add it to the sugars
they produce
C)Certain bacteria convert nitrogen to a form animals can use, Wd animals obtain
their nitrogen by inhaling this nitrogen.
D)Animals absorb nitrogen from the air they breathe and incorporate it into their
tissues
Answer:
I think it's option A
Explanation:
Nitrogen fixing bacteria such as rhizobium, which lives in the root nodules of leguminous plants, help convert inert nitrogen to ammonia. Once the nitrogen has been fixed in the soil, the plants can absorb nitrogenous compounds through their roots. The process of absorption is known as assimilation.
Besides, nitrogen can only be fixed in two ways; atmospheric fixation (involving lightening) and industrial fixation (manufacturing ammonia under high temperature and pressure). I hope this helps
Nitrogen is primarily obtained by organisms via nitrogen fixation carried out by bacteria. These bacteria convert atmospheric nitrogen into usable form for plants, and when animals consume these plants, they attain their required nitrogen.
Explanation:Organisms, both plant and animal, obtain nitrogen primarily through the process of nitrogen fixation which is carried out by certain bacteria. The most accurate among the options given is A) Certain bacteria living in the roots of plants convert nitrogen to a form plants can use, and animals obtain their nitrogen by eating those plants. This process involves bacteria transforming atmospheric nitrogen into a usable form within the soil. This nitrogen is then absorbed by plants. Animals, in turn, obtain their nitrogen by consuming these plants.
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A group of the same kind of organisms living in an ecosystem is called a
Answer:
Population
Explanation:
A population is a group of living organisms of the same kind living in the same place at the same time. All of the plant and animal populations living in a habitat interact and form a community. The community of living (biotic) things interacts with the nonliving (abiotic) world around it to form the ecosystem.
We can see here that a group of the same kind of organisms living in an ecosystem is called a population.
What is ecosystem ?An ecosystem is a complex community of living organisms (biotic components) interacting with each other and their physical environment (abiotic components) within a specific geographic area. It encompasses all the organisms, their physical surroundings, and the ecological processes that occur within that particular system.
Ecosystems can vary greatly in size and scope, ranging from small microcosms, such as a pond or a forest, to vast biomes, such as a tropical rainforest or a coral reef. They can exist in terrestrial (land-based) or aquatic (water-based) environments.
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