Answer:
it may be based on there surrounding that they have adapted to .
The breaking down of rock.
Answer:
a microscopic organism, especially a bacterium, virus, or fungus.
Explanation:
Answer:
A bottom-up system concentrates attention on how resources (space and nutrients) influence higher trophic forms , whereas a top-down system focuses on interactions at top level consumers (predators) and their prey influence on lower trophic forms.
Explanation:
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