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inn [45]
2 years ago
5

Environmental changes may lead to the evolution of a species. Polar bears live in

Biology
1 answer:
NISA [10]2 years ago
6 0

Answer:

A.

Explanation:

If they have know where to live, they can't overpopulate. The question ask what will happen to the polar bears so C can no be it. Polars Bears do not have the features for them to become another species.

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Which of the following statements about plankton or nekton is NOT correct?
Oduvanchick [21]

Answer:

C. All plankton are closely related to plants.

Explanation:

Plankton are organisms found in water that exist in a drifting state. They are too small or weak to swim on their own, so they let the current or tide carry them. They are usually microscopic but include larger species as well, such as some crustaceans and jellyfish.

Phytoplankton are autothrophic plankton. This means that they produce their own food. They are primary producers and closely related to plants.

Zooplankton are heterotrophic plankton, which means that they feed on other organisms. They are animals and aren't closely related to plants.

Nekton are organisms found in water that swim actively.

Based on this information, we can conclude that statement C is the only incorrect statement.

6 0
3 years ago
Can someone please answer this for me ?
Arlecino [84]
The answer is in your heart and soul
5 0
2 years ago
When two or more substances are so evenly mixed that you can't see the different parts.?
Volgvan
Its a homogeneous mixture
4 0
3 years ago
Contributing to cell membrane function, making bile acids essential for fat absorption, metabolizing fat-soluble vitamins, and m
alexgriva [62]

Answer:

C. Cholesterol

Explanation:

Cholesterol maintains the fluidity of the cell membrane and thereby, regulates its function.

Bile acids are derived from cholesterol which serves as their precursor. For example, Taurocholic acid is a polar derivative of cholesterol. Bile acids serve in the absorption of fatty acids, glycerol, and fat-soluble vitamins as these compounds are non-polar in nature.  

Vitamin D is produced when the derivative of cholesterol, 7-dehydrocholesterol undergoes photolysis in skin cells in presence of sunlight.  

5 0
3 years ago
Mutations are important for evolution because they
Vikki [24]
Mutation causes change in an organisms DNA, resulting in a change in all aspects of the organisms life. It affects how the organism looks, and how it behaves. If there was no mutation, an organism could not change, therefore there wouldn't be evolution at all.
5 0
3 years ago
Read 2 more answers
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