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Within any ecosystem, there is a fixed amount of energy available for organisms to use. Since organisms usually produce more offspring than a given ecosystem can support, this causes _______.

A. bottlenecking
B. genetic drift
C. parasites
D. competition

User Coney
by
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1 Answer

11 votes
Answer: D competition

Explanation: organisms are going to fight for limited food source
User Ikhsan
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