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morpeh [17]
3 years ago
6

Why are ecosystems not considered “closed” systems?

Biology
1 answer:
geniusboy [140]3 years ago
7 0
In a closed ecological system, any waste products produced by one species must be used by at least one other species. If the purpose is to maintain a life form, such as a mouse or a human, waste products such as carbon dioxide, feces and urine must eventually be converted into oxygen, food, and water.
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