Which statement about an ecosystem is correct?
A) Organisms get their energy from the same trophic level.
B) Ecosystems are formed from only living parts.
C) Matter is recycled by an ecosystem.
D) Organisms can occupy more than one niche in an ecosystem.
E) Ecosystems are in a balance of nature.
Correct Answer:
Verified
Q2: Urban landfills use procedures that
A) increase the
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Q6: How are CFCs dangerous to the environment?
A)
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Q10: According to the equilibrium hypothesis, introducing a
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A)
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