A population of zooplankton is exposed to a small number of predatory fish that feed on the larger-sized (adult) zooplankton. Based on the principles of evolution by natural selection, which of the following would be most likely?
a. Adult zooplankton will start to reach sexual maturity when they are still relatively small
b. The predatory fish will evolve smaller mouths so that they do not drive their prey to extinction.
c. Evolution is unpredictable, and all outcomes are equally likely.
d. The zooplankton will become sexually mature at larger sizes.
e. The predatory fish will evolve poor eyesight so as to preserve their food supply.
Answer: a. Adult zooplankton will start to reach sexual maturity when they are still relatively small
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