I would go with c because its tells you right in there that the ecosystem help who lives around that area.
Number one is y I think and number two is w. three should be x and four is z. I'm not sure though
Answer:
Mitosis is the reason the fetus grows. To do this, it doubles and splits chromosomes. By doing this, growth occurs. Most of the fetus will be born in the 40 weeks of pregnancy, but really can accurately only about 5% of babies born in due two weeks in advance or delay two weeks are normal.
Explanation:
:)
The answer to this question would be C.