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Stells [14]
3 years ago
9

Why do ecosystems need a constant input of energy from an external source

Biology
1 answer:
Alja [10]3 years ago
3 0
The producers need energy to sustain life and sustain an ecosystem.
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C. Molecular chaperones have been mutated.

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In this food web, which animal has the role of the tertiary (third) consumer?
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