[IB Biology SL at GHS: Natural Selection Review #1]

3. Which of the following is not an observation or inference upon which natural selection is based?

A) There is heritable variation among individuals.

B) Poorly adapted individuals never give rise to offspring.

C) Populations produce too many young, leading to competition for resources, so only a few individuals survive.

D) Individuals whose inherited characteristics best fit them to the environment will leave more offspring.

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