The following that is not a result of heavy use of irrigation water is C. Increasing in soil fertility.
3. Reproduction. Species can adapt to change, but they need to reproduce
Answer:
I believe it is formed by secretions from the oocyte and the follicle granulosa cells. The human oocytes consists of four types of zona pellucida glycoproteins ZP1, ZP2, ZP3, and ZP4 which have different roles in fertilization.
<span>A. If one essential nutrient within an ecosystem runs out, primary productivity will be limited.
A specific nutrient is need for every organism in the ecosystem. If this particular nutrient is diminished within the ecosystem then cellular processes will decreases and a great number of specie will die. </span>