We are usually referring to species diversity when we talk about biodiversity. However, genetic diversity is also important to ecological systems because diverse genes
A. Allow an individual organism to adapt to its changing environment.
B. Are important for a balanced ecosystem.
C. Lead to diverse ecological processes in a biological community.
D. Are necessary for a population to evolve in a changing environment.
E. Increase the efficiency and productivity of a system because all niches are filled.
Answer: D
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