Answer:
unicellular organisms: diatom, E. coli...
Explanation:
Final answer:
An example of a single-celled organism is Euglena, a simple unicellular eukaryote. Another example is Candida albicans, a yeast single-celled eukaryote. Both are complex organisms that perform all life processes within one cell.
Explanation:
An example of a single-celled organism is Euglena, which is a simple, predominately unicellular eukaryotic organism. Euglena is often found in ponds and belongs to a larger group of organisms that includes slime molds, euglenoids, algae, and protozoans. These organisms carry out all necessary life processes within their single cell, and they can be very complex in terms of structure and function. Another example is Candida albicans, a type of yeast that is also a unicellular eukaryote.
Euglena and Candida albicans are just two examples, but the environment is rich with single-celled organisms, ranging from those that lack a nucleus, like bacteria, to those with a complex internal structure, such as eukaryotes.
why is so little of Earths surface found far above sea levels
Hello! :)
The eroded material finds its way to the bottom of oceans because of gravity (from... According to the hypsometric curve (plot between elevation and % of earth's surface), only about 29% of Earth's surface is above the mean sea level, rest 71% has an elevation less than mean sea level.
Hope this helped and I hope I answered in time!
~ Destiny ^_^
Final answer:
The structure of Earth's crust is such that there are high plateaus for continents and deep ocean basins, contributing to why little of Earth’s surface is far above sea levels. Geological processes such as plate tectonics have shaped mountains and plains mainly on continents, which cover less of Earth's surface compared to oceans. The distribution of mass and elevation is also influenced by gravitational variations.
Explanation:
So little of Earth's surface is found far above sea levels because of the way our planet's crust is structured. The surface of the Earth consists of high plateaus, which make up the continents, averaging around 2,750 feet (840 meters) above sea level, and the ocean basins, averaging 12,100 feet (3,700 meters) below sea level. The continents and their submerged continental shelves would appear as gigantic plateaus with steep slopes down to the deep ocean basins if you looked at Earth with the water removed.
Various geological processes such as plate tectonics and erosion contribute to the formation of Earth's topography. Mountains, canyons, and plains are shaped by these forces and are found mainly on continents, which cover a smaller portion of Earth's surface. In contrast, the vast ocean basins take up the majority of the surface area, leading to the fact that much less land exists far above sea level. Furthermore, the mass and relative impact of Earth's materials influence the gravitational pull at different points on the planet's surface, contributing to the differing elevations.
The arrows in the chart above represent the movement of carbon between four reservoirs: the ocean, plants, fossil fuels, and the atmosphere. The numbers in the blue boxes show the gigatons of carbon moving each year. More carbon is moving into the vegetation for photosynthesis than is moving out to the atmosphere via respiration. This means that the vegetation reservoir is a carbon sink, taking in more carbon from the atmosphere than it is releasing to the atmosphere. A carbon source is the opposite. A reservoir that behaves as a carbon source releases more carbon to the atmosphere than it takes in.
Consider the statements listed here. Do they accurately describe potential changes in the model? Choose all that are correct:
1 - Deforestation would result in a decrease in the carbon sink.
2- Increased use of alternative energy sources such as solar and wind energy would 3 3 - result in a decrease in released or sourced carbon.
4 - If we consider non-industrialized countries, the model would remain the same.
5 - If global warming continues, we would expect a change in the amount of carbon found in the ocean reservoir.
6 - Combustion of fossil fuels acts as a carbon sink.
7 - All carbon in the atmosphere is made by humans.
Answer: 1, 2, and 4
Explanation: I know I'm REALLY late, but maybe future people will look at this and need the actual answer. I mean, look at me now. I tried looking at this years after it was asked. Anyways, it's 1, 2, and 4 because I had the answer key
Statements 1, 2, and 5 correctly describe potential changes in the carbon cycle model. Statement 4 could also be correct depending on the specific context, while statements 6 and 7 are incorrect.
Explanation:1 - Deforestation indeed results in a decrease in the carbon sink because it reduces the amount of vegetation that can absorb carbon dioxide during photosynthesis. Hence, this statement is correct.
2 - Increased use of alternative energy sources like solar and wind energy would likely reduce the amount of carbon released into the atmosphere because these sources do not involve the combustion of fossil fuels. This statement is also correct.
4 - The model would not necessarily remain the same for non-industrialized countries because they rely less on fossil fuels and more on natural resources, potentially impacting the carbon cycle differently.
5 - With global warming, it may be expected that the amount of carbon found in the ocean reservoir would change due to alterations in temperature, salinity, and circulation patterns. So, this statement could well be correct.
6 - The combustion of fossil fuels acts as a carbon source, not a sink, because it releases more carbon into the atmosphere. This statement is incorrect.
7 - Not all carbon in the atmosphere is made by humans. Much of it is natural, resulting from activities like respiration and volcanic eruptions. Hence, this statement is incorrect.
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The offspring of two koalas develops a genetic disease. When scientists studied the parents’ DNA, they found that both parents carried harmful recessive genes passed down from the exact same lineage. Which process contributed to the offspring’s genetic disorder? A. biomagnification B. eutrophication C. inbreeding D. predation
Answer:
C. Inbreeding
Explanation:
It says that the parents' recessive gene came from the exact same lineage, meaning they are related. The continued inbreeding made the recessive gene more popular.
Answer:
C. inbreeding
Explanation:
Inbreeding is mating between the individuals which are closely related. Because of inbreeding, heterozygosity is reduced while homozygosity is increased in a population. Because of inbreeding a deleterious or recessive trait becomes more popular in a population. This condition is also known as inbreeding depression. Since the two individuals are closely related so their lineage also remains the same.
Which best describes the negative impact of human water use? Food can be produced in dry areas. Increased runoff carries fertilizers. Food can be produced through drought years. Water can improve the livelihood of farmers.
Answer: Increased runoff carries fertilizers.
Explanation:
Increased runoff carries fertilizers describes the negative impact of human water use. The fertilizers are used to improve the quality of the soil by increasing the concentration of the minerals essential for the growth of the plants. The use of water in excess will remove the fertilizers from the agricultural land and will take them to the nearby water body. Hence, causing water pollution.
Increased runoff carries fertilizers describes the negative impact of human water use.
The increased runoff of water due to human activities, such as agriculture and urbanization, can carry fertilizers and other pollutants into water bodies, leading to water pollution and ecosystem degradation. Fertilizers used in agriculture contain nutrients like nitrogen and phosphorus, which, when washed into rivers and lakes by runoff, can cause excessive algae and plant growth (eutrophication).
This disrupts the balance of aquatic ecosystems, depletes oxygen levels, and harms aquatic life, ultimately negatively impacting water quality and biodiversity. Managing runoff and implementing sustainable agricultural practices are essential to minimize the negative impacts of human water use on water bodies and the environment.
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What is northern end of earth axis called
hope this helps. If you don't know an answer what I do is google it
i think the north pole (?)
The chemical reactions of the light dependent process occur in the
Answer:
Thylakoid membranes
Explanation:
Photosynthesis is the process by which green plants make their own food using energy from sunlight, water and carbon dioxide.Photosynthesis takes place in organelles called chloroplast found mainly in the palisade mesophyll in the leaves of a green plants. The process occurs in two stages; light-dependent stage and light-independent stage.The light dependent stage occurs in the thylakoid membranes of the chloroplast, while the light-independent stage occurs in the stroma of the chloroplast.Which term do biologist use to describe the number of individuals a species requires to reproduce successfully and prevent it from going extinct
Minimum viable population is the term that biologists use to describe the number of individuals a species requires to reproduce successfully and prevent it from going extinct. Minimum viable population is the minimum number of discrete organism required to reproduce between these organisms in the species and maintain that species from going extinct.
If the minimum viable population is maintained, then the species is capable of reproducing but has to compete with other organism when the limiting factor plays its role.
List the three function of an arthropod exoskeleton
Answer:
protection, support, and muscle attachment
Explanation:
hope this helps!
The three functions of an arthropod exoskeleton are protection, support, and prevention of water loss.
Explanation:The three functions of an arthropod exoskeleton are:
Protection: The exoskeleton provides a hard and rigid outer covering that protects the internal organs and soft tissues of the arthropod from injury and predation.Support: The exoskeleton serves as a framework that supports the body and allows for movement. Muscles attach to the exoskeleton, enabling arthropods to move their limbs and carry out various actions.Prevention of Water Loss: The exoskeleton is impermeable to water, preventing excessive loss of body water through evaporation.Learn more about Arthropod Exoskeleton here:https://brainly.com/question/32411368
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Assume the light wave directed at the paper is white light and the paper contains pigments that absorb the wavelengths of red-orange-yellow-green-blue-indigo-violet. What color will the paper appear to human eyes? Assume the light wave directed at the paper is white light and the paper contains pigments that absorb the wavelengths of red-orange-yellow-green-blue-indigo-violet. What color will the paper appear to human eyes? A) black B) brown C) green D) white
It is D) WHITE
The paper would appear black because it absorbs all colors of the visible light spectrum and reflects none back to the viewer's eyes.
If a piece of paper contains pigments that absorb the wavelengths of red, orange, yellow, green, blue, indigo, and violet, then it means all of the visible wavelengths of white light are absorbed. According to the principles of color and light, when an object absorbs all colors and does not reflect any, it will appear black to the human eye since no wavelengths are being reflected back to be detected.
Let's consider some examples to further clarify this concept. When white light shines on a yellow paper, yellow is reflected and the paper appears yellow. However, if the paper absorbed all colors of the spectrum, no light would be reflected and the paper would appear black. Similarly, if yellow light shines on a white paper, the paper would still appear yellow because white paper reflects all colors and the yellow light will be predominant. With complementary colors, such as red and green lights shining on a white paper, the combination would result in the paper appearing yellow because these two colors of light mix to create yellow on a white surface.
Which describes the most direct function of the nostrils?
allows air to enter lungs
guides air to the larynx
permits food to reach the pharynx
permits air to enter the body
.....It was d...♀️
Answer: they allow air to enter lungs and also permits air into the body
Explanation:
the answer is permits air to enter the body
A fossil most likely be found in which rock type?
Foliated rock
Intrusive rock
Clastic rock
Nonfoliated rock
Answer:
hmm
Explanation:
Carbon. We are carbon-based life forms. Carbon cycles between Earth's spheres. When viewing the Earth as a system, the
atmosphere, lithosphere, hydrosphere and the biosphere are referred to as carbon pools or reservoirs because they act as
storage houses for large amounts of carbon. Any movement of carbon between these reservoirs is called a flux. In any
integrated system, fluxes connect reservoirs together to create cycles and feedbacks.
Compare the two models seen here. Both illustrate carbon's movement or fluxes. Model I provides an important detail missing
from Model II.
A)
Modell provides quantitative data.
B)
Model Il does not show the direction of the flux.
C)
Model I distinguishes between natural and anthropogenic flux.
D)
Model l includes both photosynthesis and cellular respiration.
Answer:
the answer is c bc i got it wrong on usatestprep bc i picked d and it was c
Explanation:
Answer:
C)
Model I distinguishes between natural and anthropogenic flux.
Explanation:
Just took quiz
Why do all the stars in orion appear to us on earth as if they were near each other
Answer:
Because of their brightness, how big they are, and how many their are
Explanation:
In the cattle allele for cloven hooves (H) is dominant over the allele for mule foot hooves (h). The phenotype for each trait is shown in the picture below. What is the probability of cloven hooves in the offspring of parents that are heterozygous for the trait
Answer:
75 %
Explanation:
If we take the genotype of both parents who are both heterozygous, the resulting cross would be:
Hh x Hh
Punnett square:
H h
H HH Hh
h Hh hh
As you can see thre are 3 possible genotypes and 2 phentypes:
HH 1 Cloven hooves
Hh 2 Cloven hooves
hh 1 Mule hooves
Because cloven hooves is dominant, it will be expressed even with the presence of the recessive allele.
So the probability is 3 out 4 or 75%
Answer:
25%
Explanation:
1)Plants that live in deserts are adapted to constant water stress?why?
Answer:
Due to constant heat and a lot of water sources plants must retain the water the its able to gain from rain or the soil its in.
Plants that live in deserts are adapted to constant water stress by using hydrophilic colloids to increase the water potential of their tissues.
Why plants that live in deserts are adapted to constant water stress?Desert plants have adapted their roots, stems, and leaves to store more water and decrease their loss. The ability to stay hydrated helps desert plants grow healthy in extremely hot or cold environments. Still, there are several threats to the desert and Antarctica's plants, including erosion, global warming, and human involvement.Examples of adaptation in desert plants are large fleshy stems to save water thick waxy skin to reduce the loss of water and reflect heat to decrease the water loss and the presence of spiky and shiny leaves.To know more about desert plants, refer to: https://brainly.com/question/2766357
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What factors make the tropical zones of the world the highest in biodiversity
Answer:
-warm temperatures encourage diverse flora growth and insect populations
-tropical regions have abundant resources capable of accommodating large populations of different plants/animals
-animals and plants do not die as quickly since there is no “winter” season
- animals can breed more when they are unrestricted by seasonal changes
-essentially, most life flourishes in warmth
Review the concept map and then click on all the true statements below
Do you have a picture of the map? : )
Living things have certain properties, such as organization, metabolism, reproduction, and response to stimuli. They are organized into different levels and can be represented in a phylogenetic tree.
Explanation:Properties of Life:Living things are organized into a hierarchy of levels, including atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, and the biosphere.
Interpreting a Phylogenetic Tree:A phylogenetic tree shows the evolutionary relationships between different species. It helps us understand how species are related and how they have evolved over time.
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Photosynthesis involves chemical changes to three elements: carbon, oxygen, and hydrogen. Which of the following describes the chemical change to carbon?
In photosynthesis, carbon dioxide (CO2) and water (H2O) are converted into glucose (C6H12O6) and oxygen (O2). This process involves the reduction of carbon dioxide into carbohydrate molecules, by adding hydrogen atoms.
Explanation:In photosynthesis, the chemical change to carbon occurs when carbon dioxide and water, utilizing the energy from the sun, are transformed into glucose, which is a type of sugar molecule, and oxygen. This reaction can be represented by the chemical equation 6CO2 + 6H₂O + Energy → C6H12O6 + 6O2. Carbon dioxide (CO2), one of the raw materials, undergoes a reduction reaction where hydrogen is added, resulting in reduced carbon dioxide, which is essentially the carbohydrate molecule (C6H12O6). In this process, oxygen is oxidized, meaning hydrogen is removed.
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A 2 kg book is sitting on a table. A 10 N force is pulling it to the right. A 3 N force is pulling to the left. What is the Net Force acting on the book? A. 2 N down B. 7 N to the right C. 13 N to the right D. 15 N to the right
Answer:B..7 to the right
Explanation:
10-3=7N
Greater force of 10 means the book will move to the right.
Select the best answer for the question.
20. Your classmate is trying to determine the rate of photosynthesis for a fern plant growing in his or her backyard.
Your classmate wants to set it up in a way for it to have a high photosynthesis rate. Which of the following setups has
the highest photosynthesis rate?
O A. Low intensity of light, medium levels of carbon dioxide, low temperature level
B. High intensity of light, low levels of carbon dioxide, high temperature level
O C. Medium intensity of light, low levels of carbon dioxide, extremely high temperature level
O D. High intensity of light, high levels of carbon dioxide, moderate temperature level
Answer:D
Explanation:
Because the plant would get alot of light
The plant needs carbon dioxide to live and moderate temp because its not to hot and not to cold
Answer:
D. High intensity of light, high levels of carbon dioxide, moderate temperature level
Explanation:
Factors Affecting the Rate of PhotosynthesisThe rate at which photosynthesis occurs, or whether it can occur at all, is highly dependent on the environment of the photosynthetic organism. Three of the most important determinants of the rate of photosynthesis are as follows:
1. Light intensity
2. Amount of carbon dioxide present
3. Temperature
1. Light intensity is important. As the intensity of light increases, the rate of photosynthesis will gradually increase as well. The photosynthetic rate will continue increasing in relation to the intensity of light until it reaches a peak. Once the photosynthetic rate peaks, photosynthesis can't go any faster regardless of any increase in the intensity of light. If the intensity of light decreases, photosynthesis will also decrease.
2. The amount of carbon dioxide present can also influence the rate of photosynthesis. Like the relationship between light intensity and photosynthetic rate, more carbon dioxide in the environment allows for a faster rate of photosynthesis. As the amount of carbon dioxide increases, the photosynthetic rate increases as well. Once the rate of photosynthesis reaches its peak, however, further increases in carbon dioxide levels are irrelevant, as photosynthesis can't proceed any faster.
3. Temperature is also an important factor in photosynthetic rate. Photosynthesis proceeds faster at higher temperatures. However, if the temperature becomes too high, the rate of photosynthesis will decline steeply.
Thank you so much! I hope this helps! =)
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Is zebra stripes a genotype or a phenotype
Answer:
Phenotype
Explanation:
Final answer:
Zebra stripes are an example of a phenotype, the observable characteristic, which is determined by the zebra's genetic makeup or genotype. The genotype is the set of genes responsible for a trait, while the phenotype is the physical expression of that trait.
Explanation:
The question of whether zebra stripes are a genotype or a phenotype deals with fundamental concepts of genetics. In essence, a genotype is the set of genes in our DNA which is responsible for a particular trait, while a phenotype is the physical expression, or characteristics, of that trait. Zebra stripes are an example of a phenotype because they are the visible expression of the genetic information contained within the zebra's DNA. Genotypes determine what traits are possible, and the environment can influence the expression of these traits, resulting in the observed phenotype.
Another interesting aspect involves the inherited nature of these stripes. The specific pattern of stripes a zebra has is determined by its genetic makeup or genotype, but the stripes we see are its phenotype. It's worth noting that while genotypes can influence phenotypes directly, environmental factors can also impact the expression of a phenotype, albeit this is more relevant to other traits than to the fixed genetic patterns such as zebra stripes.
Certain species of fish are unsafe to consume in high quantities because these fish
A. ingest other fish that are poisonous to humans.
B. have high levels of metals in them from cancer-causing pesticides.
C. are endangered species.
D. contain vitamins that aren't water-soluble and can cause toxicity.
Please don't guess, try to give the correct answer
Answer:
A. ingest other fish that are poisonous to humans.
Explanation:
In a food chain a primary consumers eats the producer, a secondary consumer eats the primary consumer and then the tertiary consumer eats the secondary consumer. The level of poison will increase as it goes down the food chain so the tertiary consumer will have the highest amount of toxins in it.
The rearrangement of genetic information so that offspring can inherit new genetic combinations is called A. Gene editing. B.replication. C.gene expression. D. recombination
Answer: D; recombination
Explanation:
Answer:
D. Recombination
Explanation:
Recombination is the process of production of new gene combination in offspring. This makes them have genetic variations. Recombination occurs through crossing over during pachytene of prophase I of meiosis I. Exchange of genetic material between non-sister chromatids of homologous chromosomes forms new gene combinations.
Which of the following best describes how most scientists think humans evolved?
Answer:
the answer is a
Explanation:
Answer:
The righr anser is the letter A
Explanation:
You may have already come across the claim that the human being is descended from the monkey. Many people attribute this idea to Charles Darwin, but it is known that this scientist never made this claim. What Darwin proposed, in fact, is that apes and humans have a recent common ancestor that places both apes and humans in the group of primates. This is the theory currently accepted to explain the evolution of humans, so the correct answer to your question is the letter A.
Despite current scientific knowledge, talking about our kinship with monkeys is still controversial, as it seems offensive to many to say that we are related to them. Some people consider that the human being is unique and special and therefore could only have been created by a divine entity.
which organelle would we find a lot of in the muscle tissues of a fit athlete?
A. ribosomes
B. mitochondria
C. nucleus
D. golgi apparatus
Answer:
B
Explanation:
Mitochondria is found in muscle. Muscle cells have numerous mitochondria, more than other types of cells, so that they can quickly and forcefully respond to the body's constant need for various types of movement.
Nelson made a map of his neighborhood park. In the scale Nelson used for the map, 1 centimeter represents 10 meters. The actual length of the path through the park is 408 meters. What is the length of the path in nelson's map in centimeters?
Anyone this??
Answer:
40.8 hope this helps good day
Explanation:
The length of the path in nelson's map in centimeters is 40.8 cm.
How the length is 40.8 cm?
Here, 1 cm = 10 meters
so, 408 meters = 408 ÷ 10
= 40.8 cm.
Both meters and centimeters are metric units of length with centimeter being equal to one hundredth of a meter.
A centimeter is abbreviated as cm while a meter is abbreviated as m.
Formula to convert meters to centimeters,
Length in cm = Length in m x 100.
The answer is 40.8 cm.
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Global winds are directly caused by the Earth's rotation and ____
A. the release of carbon dioxide into the atmosphere.
B. uneven precipitation rates.
C. the Moon's phases.
D. uneven heating of the Earth's surface.
(D)
Explanation:The uneven heating of the Earth’s surface heats up the air which stirs up air currents in the atmosphere Ex. Jet streams, Easterly, Westerly winds.
Answer:
D
Explanation:
Which of the following characteristics is described here:
A cactus plant uses photosynthesis to make sugar
composed of cells
homeostasis
reproduction
obtain and use energy
"Obtain and use energy" is your answer :)
Answer:
obtain and use energy (Ans. D)
Explanation:
Photosynthesis: It is the process where plants and some other organisms use the energy from sunlight to make sugar which converts cellular respiration into ATP.
Cactus plants have pads, succulent stems with spines and scales instead of leaves. In cacti plants photosynthesis occurs in stems through a special mechanism called Crassulacean acid metabolism (CAM) as a part of photosynthesis.
Three examples are provided. A serious environmental problem is the destruction of
Answer:
The Amazon rain forest
Explanation:
Answer:
It's non-replaceable resources
Match the air masses with their corresponding characteristics.
continental tropical
maritime tropical
continental polar
maritime polar
continental arctic
cold and dry =
cold and moist =
warm and moist =
hot and dry =
very cold and dry =
eserved =
Answer:
1 - 4
2 - 3
3 - 1
4 - 2
5 - 1
Explanation:
In case of continental tropical region, due to its location at the tropics, the air that blows here are usually hot and relatively dry.In case of maritime tropical region, the air blows are warm enough and contains some water in it.In continental polar and continental arctic, due to its location at the poles, the air here is dry and cold because of its low temperature.In case of maritime polar, the air here is moist enough and sufficiently coolAnswer:
cold and dry = continental polar
cold and moist = maritime polar
warm and moist = maritime tropical
hot and dry = continental tropical
very cold and dry = continental arctic
Explanation: