In order to understand the totality of the interactions among the organisms in the biosphere, we need to at least understand <span>how the all genes function within organisms and </span>interact<span> with others organism and environment around it.
If we try to make this effort in a world where organisms will keep evolving and environment will keep changing like us, that tasks is impossible to finish.</span>
D- The digestive system breaks down your food and your circulatory system takes it throughout your body
Answer: they have to maintain homeostasis, so they remove waste to do so..
The Nile does not run there
Answer:
phosphates will return to the soils or oceans again during decay
Hope I helped :D