What animal has only three legs?

Answer: Home Base

Explanation: It is named the brain because it controls everything in the cell. It is the main part, think of it as it controls everything.

Answer:

because both brain and nucles control the whole activity.

Explanation:

mitochondoria can be called power generator because it generates most of the chemical energy.

By adding tape to his BAAD, Cramwood increased its mass and increased

its inertia. The bigger BAAD requires more force to stop and ends up smacking Cramwood in the head when he applies the brakes.

Inertia is the tendency of an object to resist a change in its motion. Specifically, it is the property of matter that causes an object to maintain its state of rest or uniform motion in a straight line unless acted upon by an external force.

In other words, an object at rest will remain at rest, and an object in motion will continue to move at a constant speed and in a straight line, unless acted upon by an external force.

The amount of inertia an object has depends on its mass, with more massive objects having more inertia than less massive objects.

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Answer:

Convergent plate boundary

Answer:

It is a convergent boundary.

Explanation:

It is an area on Earth where two or more plates collide

Answer:

Independent variable- effect of caffeine

Dependent variable- heart rate

Hypothesis- If a stimulant such as caffeine is administered to earthworm, then its heart rate increases. The experiment is based on the research question; "Does caffeine increase the heart rate of an earthworm?" We can see from this research question that the independent variable is the effect of caffeine and the response it produces is a change in the heart rate (the dependent variable)

This now leads us to a hypothesis that states thus; 'If a stimulant such as caffeine is administered to earthworm, then its heart rate increases.'

- amount of caffeine she adds

- earth worm (in natural state)

- how much caffeine is actually absorbed by the worm

Answer:

Controlled variables are:

- amount of caffeine she adds

- earth worm (in natural state)

- how much caffeine is actually absorbed by the worm

Explanation:

Answer:

brine flies prefer warm temperatures to breed in, more brine flies means more food for the brine shrimp, so brine shrimp will be able to breed more as there's more food. and vice versa- in colder temperatures there would be less breeding of the flies, meaning less food for shrimps. therefore less breeding of shrimps)

Left ventricle, Aortic semilunar valve, Aorta, Arteries, Capillaries, Veins, Inferior vena cava, Right artrium, Tricupsid valve, Right ventricle, Pulmonary semilunar valve, Pulmonary artery, Lungs, Pulmonary veins ( Right & Left ).

Deoxygenated blood is received from the systemic circulation into the right atrium, it is pumped into the right ventricle whereas, The blood that is returned to the right atrium is deoxygenated while the left atrium receives newly oxygenated blood from the lungs through the pulmonary vein.

Answer:

Birds. Flight and flightless birds lays eggs such as the Dodo, Ostrich and Penguin.

Lizards. All species of lizards lays eggs including those giant monitor lizards which many call komodo dragon.

Crocodile. ...

Alligator. ...

​Crabs. ...

Lobsters. ...

Shrimps. ...

All fishes lays eggs.

and chickens

Explanation:

Answer:

A) A cactus cell

Explanation:

Plant cells have much larger vacuoles than animal cells, so I believe the cactus cell would have the largest one.

Answer:

Chemical change

Explanation:

Answer:A) Auxins make plant cells grow larger towards the light causing it to bend.

Answer:

A.

Auxins make plant cells grow larger towards the light causing it to bend.

Explanation:

The auxins go more in the shady side, and that is why there are more auxins in the shady side, but in the illuminated side, there are less auxins. That will cause a bend in the growth of the plant towards the light source because the shady side has more auxins to make it grow. This is the reason why when there are auxins in a plant, they start to grow towards light.

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Answer: The alluvial soil is formed by the rivers that erode the rocks.

Explanation:

The rivers flows through the mountains and erodes the rocks. The sediments like silt and gravel get accumulated at the banks of the river that were flooded by the rivers.

The deposition of the eroded sediments results in the development and formation of the alluvial soil. The accumulation of the alluvial soil leads to development of alluvial land.

Answer:

In studying selective pressures in an environment, homologous structures would be the most helpful to analyze. Homologous structures are structures that have similar anatomy and structure but may have different functions, and they are thought to have evolved from a common ancestor.

Comparing homologous structures among different species can provide insight into how different organisms have adapted to their environments over time. By analyzing the similarities and differences in these structures, scientists can learn about the evolutionary history of a group of organisms and the selective pressures that have influenced their evolution.

For example, the forelimbs of mammals are homologous structures that have different functions in different species. The forelimbs of humans, bats, and whales all have the same basic structure, with a humerus, radius, and ulna, as well as a set of bones that make up the wrist and hand. However, the functions of these forelimbs are very different: humans use their arms for grasping and manipulating objects, bats use their wings for flight, and whales use their flippers for swimming.

Studying these homologous structures can help scientists understand the selective pressures that have led to the evolution of these different functions. For example, the wings of bats and the flippers of whales are adaptations that have evolved in response to the need for flight or swimming, respectively. By studying the similarities and differences in these structures, scientists can gain insight into how these adaptations have evolved over time and the environmental pressures that have influenced their evolution.

Answer:

Explanation:

Homologous structures are physical structures such as organs or skeletal elements present in numerous species that come from a shared common ancestor. Analogous structures are bodily structures that resemble one another superficially and provide a similar function but have evolved separately and do not come from a shared common ancestor (such as the wings of an insect and bat).

One vestigial structure present in humans is the appendix. This organ was once vital in the consumption and digestion of uncooked meat, but no longer serves a function.

Answer: im not 100% but it would most likley be B

Explanation:

Answer::

Q1: During photosynthesis, the radiant energy of the sun is used to convert carbon dioxide and water into glucose and oxygen. This process is powered by the energy from the sun, which is absorbed by pigments in the chloroplasts of plant cells and used to drive the chemical reactions that produce glucose and oxygen.

Q2: In photosynthesis, the energy from sunlight is converted into chemical energy, which is stored in glucose and oxygen molecules. This process occurs in the chloroplasts of plant cells, where pigments absorb the energy from sunlight and use it to drive the chemical reactions that produce glucose and oxygen.

Q3: Cellular respiration results in a net output of energy. This process occurs in the mitochondria of cells, where glucose and other organic molecules are broken down to release the energy stored in their chemical bonds. The energy released during respiration is used to produce ATP, a molecule that stores chemical energy.

Q4: The energy produced by respiration is stored in the chemical bonds of ATP molecules. These molecules can be used to power various cellular processes, such as muscle contraction, synthesis of biomolecules, and transport of ions and molecules across cell membranes. When ATP is used to power these processes, the chemical energy stored in its bonds is released and converted into other forms of energy, such as mechanical energy or thermal energy.

Answer:

Q1: the sun provides the light energy that is converted into Glucose.

Q2: The light energy produced in Sunlight is stored and glucose to be later used as ATP

Q3: Cellular Respiration results in a net output of energy because Energy is RELEASED in the form of ATP in the process

Q4: the energy produced by respiration is stored as ATP to be used later.

Answer: Polar Bears

Explanation: Global warming is making the earth warmer and humans are behind it. People drive cars which releases C02 into the air. This makes the earth warmer. Polar Bears are affected by it because their habitat is melting away.

Answer:

There are many species on earth but they go extinct quick due to people destroying their habitats. Animals like squirrels, birds, rodents, and other forest dwelling creatures are being affected through clearing of land for agriculture. Forests are ripped apart and removed so people can build homes and city’s all over the world.

Answer:

Mark me as a brainlist

Explanation:

• a. Restore the earth to its original condition

hope this may helps uh

Answer: Really Sayuri

Explanation:

Plastids, a sizable center vacuole, and a rigid cell wall are all features of plant cells. The cell wall offers skeletal defense and support. Water and nutrients can enter and exit cells thanks to pores in the cell membrane. When water penetrates the plant cell, the cell wall also stops the cell from bursting.

Cell Wall: this provides extra strength and support for the plant cell so it doesn't burst when gaining water by endosmosis.

Chloroplasts: this is where photosynthesis takes place.

Large permenant vacuole: this stores several pigments, ions, enzymes and organic and inorganic substances.

Answer:

Explanation:

Gregor Mendel used thousands of pea plants in his experiments to ensure that his results were accurate and reliable. By using a large sample size, he was able to reduce the effects of chance and random variation in his experiments. This is important because biological systems are complex and variable, and small sample sizes can lead to inaccurate or misleading results.

Mendel's experiments involved crossing pea plants with different traits (e.g., tall vs. short, yellow vs. green), and he counted the number of offspring with each trait. He found that the offspring followed predictable patterns of inheritance, which he summarized in his laws of inheritance.

If Mendel had used only twenty plants in his experiments, he may not have obtained the same results. With a small sample size, chance events can have a greater impact on the results. For example, if he crossed two pea plants with different traits and obtained only a few offspring, it's possible that chance events (such as mutations or environmental factors) could have influenced the results. This could lead to false conclusions about the inheritance of the traits.

Therefore, using a large sample size was critical to Mendel's success in developing his laws of inheritance. It allowed him to detect patterns that were consistent across many different crosses, and to demonstrate that these patterns were not the result of chance variation.

Answer:

Displacement can

Explanation:

Answer:European Hamster

Smallest breed

Roborovski hamster

Stout-bodied rodents,

with tails shorter than body length, and have small, furry ears, short, stocky legs, and wide feet.

en.wikipedia.org

Popular breed

Golden hamster

They carry food in their spacious cheek pouches to their underground storage chambers. When full, the cheeks can make their heads double, or even triple in size.

en.wikipedia.org

Explanation:

Answer: Free nitrogen comes from bacteria breaking down the nitrogen compounds which causes it to be released in the air. Fix nitrogen is from soil, plants and animals consuming it which causes it to recycle, nitrogen is cycled through: plants, soil, animals, bacteria and water and the atmosphere. I hope this helped!

Explanation:

Bacteria breaking down nitrogen compounds releases free nitrogen.Explanation:The nitrogen cycle is a process in which nitrogen is recycled through different components of the environment. Bacteria play an important role in this cycle by breaking down nitrogen compounds found in plants, animals, and soil. When bacteria break down these compounds, they release free nitrogen into the environment. This free nitrogen can then be used by other organisms like plants to create proteins and other essential molecules. So, bacteria breaking down nitrogen compounds is an important step in the nitrogen cycle.

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Answer:he law of conservation of matter and energy states that matter is neither created nor destroyed but conserved. Humans do not have the ability to create or destroy matter (atoms) or energy. They can only rearrange the matter and energy.

For example, an oxygen atom will cycle through a living system. In photosynthesis, the first half of the cycle, when a plant produces sugars (carbohydrates) the plant does this by using the energy of the sun (It did not create the energy) and molecules of water

H

2

O

from the ground (It did not create the water) and carbon dioxide

C

O

2

from the air (It did not create the carbon dioxide) and rearranges the atoms in the molecules into glucose

C

6

H

12

O

6

and oxygen

O

2

.

This is a simplistic presentation of the first half of a cycle in nature in which plants produce food (carbohydrates) and give off oxygen as a waste product. The second half involves animals that use respiration to break apart the sugars

C

6

H

12

O

6

produced by plants using that oxygen

O

2

and giving off carbon dioxide

C

O

2

as a waste product. Around and around it goes with matter and energy being neither created nor destroyed only conserved.

The ability to produce or destroy matter or energy is not available to humans. They are limited to rearranging matter and energy.

Energy is defined as the capacity to labor hard or be very busy without becoming exhausted. Energy is present everywhere and comes in a variety of shapes and sizes. Energy can be changed from one form to another, yet it never truly disappears. When electrons transfer from one atom to another, energy is produced. Energy can also take the form of heat or light.

Energy and matter are both conserved within natural processes. As a result, even though energy and matter can take on various forms, they cannot be created or put out. Energy and matter frequently cycle within a system, and many types of matter and energy can interact.

Thus, the ability to produce or destroy matter or energy is not available to humans. They are limited to rearranging matter and energy.

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