I feel the answer is cell membrane .
The cell membrane is a semipermeable protection and covering for the cell.
Please mark me as brainliest, if this helped.
A. they have shared matter.
Answer: Behavioral isolation.
Mechanical isolation. ...
Temporal isolation
For the answer to the question above, <span>I think the answer is that Density-independent because it is an abiotic factor which is a natural phenomenon that occurs in the environment, it also affects the limiting factors of the environment.
</span><span>I hope this helps.
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