What is adaptation in animals and plants

Answers

Answer 1

Answer: Adaptation is when a plant or animal make modifications to their body to survive in an altered environment. For example, the snow foxes' fur changes depending on the seasons. Another example would be blueberries. They develop thorns in order to protect the berries the plant grows.
Pretty much all plants adapt. If you pay attention, when you put a plant next to the window, and when there's no sunlight shining on it, you should notice that it will start to lean toward the sun.
Hope I helped!

Answer 2

Answer: Adaptation is a modified part of the animal that it was born with to survive in certain a certain way that it was suppose to survive. For example, Ducks have webbed feet, so they can swim. That is an example of an adaptive animal.

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How much weight should a teen gain during pregnancy?

Answers

Answer:

It depends on the weight of teen before getting pregnant.

25 to 35 pounds should be weight gain for average weight girl , for underweight girl it should be 28 to 40 pounds and 15 to 25 pounds for overweight girl.

Explanation:

Nutrition , exercise is must for healthy teen pregnancy. All essential vitamins , minerals iron , calcium , folic acid should be in the diet. Low intake of essential diet leads risk of low weight of baby , also may be other health complications. Alcohol, smoking , drugs should avoid during pregnancy.

the data collected over the years clearly confirm depletion of ozone in the stratosphere. what do scientists still need to learn about the ozone hole?

Answers

Answer:

Ozone is the layer (blanket) on the atmosphere that protects lives on earth, from the harmful incoming ultraviolet solar radiation. This are UV rays can damage the skins of humans. It is denoted by O₃ and is located at the stratosphere.

This ozone layer has been significantly affected due to the emission of green house gases. The use of chlorofluorocarbon (CFC), methane gas (CH₄) as well as emission of carbon and sulfur has depleted the ozone layer.

Scientists have studied and examined why this depletion is going on and have suggested many steps to avoid ozone depletion and are still trying to find out the best solution to stop this ozone depletion. The use of products that contains CFC and releases methane gas must be avoided.

The ozone depletion is observed to be maximum in Antarctica because the environment there is suitable for the events that leads top the depletion of the ozone layer.

Ozone is simply a molecule consisting of 3 oxygen atoms, which reacts strongly with other molecules. Ozone is created in the stratosphere when high energy uv radiation causes on O2 molecule to split. The free oxygen atoms collide and react with other O2 molecules to form O3.

Production is highest where the solar uv is the greatest eg near the tropics, but once created, the ozone is then circulated towards the poles by the atmosphere. The amount of ozone in the stratosphere can vary with location, season and even day to day climatic conditions.

The process of ozone creation is what makes the O3 in the atmosphere very effective at shielding the Earth from harmful uv radiation, which can cause many biological problems, such as skin cancer. However, due to its high reactivity, the uv found in the tropospher at ground level can aslo be dangerous as a toxic pollutant which is harmful to plants and lung tissue, and is a major cause of smog.

The leaf surface area is just as, if not more, important than the intensity of light in photosynthesis.a. True
b. False

Answers

The answer is a. True.

The photosynthesis occurs in leaves, which absorb sunlight. But the amount of absorbed sunlight by leaves depends on both the leaf surface area and intensity of life. So, the leaf surface area is just as important as the intensity of light in photosynthesis. But, if we take into consideration other leaves' functions, such as gas exchange, then the intensity of light has no effect on it. Thus, in that case, the leaf surface area is more important than the intensity of light.

A plant without enough water may wilt and close its stomata (leaf openings). This decreases the rate of photosynthesis because _____.

chloroplasts don't have access to the sunlightcarbon dioxide can't be absorbednutrients from the soil can't be absorbed

Environmental designers design structures to match the environment.
a. True
b. False

Answers

The statement above is TRUE; environmental designers design structures to match the environment.

Environmental design is the act of building useful infrastructures while taking the environmental parameters into consideration. Environmental designers refer to professional such as architects, interior designers, etc, who construct different types of structures. Environmental designers usually carry out their work in such a way that they maximize the environmental parameters that are available. For example, in ancient Greece people built their houses in such a way that it faces the direction of the sun. This is done in order to maximize the energy of the sun for solar heating in the houses. Environmental designers also take care to cause minimum damage to the environment when they are engage in construction.

a. True. They create structures that match the environment so that humans do the least amount of damage to it.

Which is the best characteristic that distinguishes the kingdom Archaebacteria from the kingdom Eubacteria

Answers

i WOULD SAY...
The archaebacteria - are found in more complex areas such as a volcanic and bottom of the sea.
Eubacteria are the most common ones. Their found everywhere, in our bodies, food, etc.

Answer: cell wall structure

Explanation:

Plant cells have _____ and _____, which are not present in animal cells.a. mitochondria, chloroplasts
b. cell membranes, cell walls
c. chloroplasts, nucleus
d. chloroplasts, cell walls

Answers

D. chloroplasts, and cell walls.

Chloroplasts are only uses by plants for photosynthesis.
Cell walls are not present In animal cells.

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Two pea plants were both grown from green peas. When these plants are crossed, their offspring produce green, yellow, and white peas. What accounts for the differences between parents and offspring?Answers:Random mutations are producing more diversity.Sexual reproduction has produced new combinations of alleles.Environmental factors are affecting the survival of gametes.The trait of pea color is not heritable from these parent plants.(yes this is homework)

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