Answer:
D
Explanation:
Gene pool is the total genetic diversity within a population or species
Answer:
Hibernation, Burrowing underground
<span>c. phytoplankton.
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Planktons can’t be seen by the naked eye and they require microscopes to be detected. Planktons usually float in the water and they cannot move on their own that’s why they are dependent in the movement of the water. </span>
Well new species can come and live there and some animals may have new food but the disadvantage is some of the animals ill die that lived there because of the changes...i hope this helped you