Water cycles through organisms and rivers.
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Paleontologists study fossils so that we can understand the evolution's from past species to the current ones. It also opens a window to discovering exactly how long earth has been around by finding out the age of the fossil itself. Though paleontology has been in the decline recently, and i'm sure we haven't found out all we need to know from these fossils.
Explanation:
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Explanation:
D nitrogen-fixing bacteria in root of legumes this is an illustration of a relationship that both organisms need
Answer:
Its d. ive done it before.
It helps sustain tbe population because of the food chain. everything needs to eat, so the more diverse a population is, the more options things have to eat. The population is sustained because everything is able to eat to survive
