Answer:
the answer is A
Explanation:
the cell membrane is like a shield to the cell.
Answer: Ecosystem
Explanation: An ecosystem consists of all the biotic and abiotic factors in an area and their interactions. A niche refers to the role of a species in its ecosystem. A habitat is the physical environment in which a species lives and to which it is adapted.
C are you dum
Yes this is so easy give me brainiest
