Answer: c
Explanation: all cell membranes need to maintain function
Answer :<em> That trough time, a specie of animal, plant, bacteria can change.
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<em>When a life form reproduces, one of its"babies" may be different from its parents because of genetic mutation. </em>
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The contractile vacuole expels excess fluid from the cell.
Answer:
A
D
Explanation:
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