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Scrat [10]
3 years ago
13

What roles do Photosynthesis and Cellular respiration play in an ecosystem?

Biology
1 answer:
Andre45 [30]3 years ago
5 0
Photosynthesis and cellular respiration allow carbon and oxygen that humans and animals consume cycle through the ecosystem without oxygen and carbon organisms will die
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Use this portion of a dichotomous key for tree identification to answer the question.
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