So that they don't explode.
AKA with a thing called osmosis (transportation of water through cells.)
Answer:
D) -4
This is because each term is four less than the previous term.
Explanation:
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.
