Which of the Following Is Not an Observation or Inference

Multiple Choice

Which of the following is not an observation or inference on which natural selection is based?

A) There is heritable variation among individuals.
B) Poorly adapted individuals never produce offspring.
C) Species produce more offspring than the environment can support.
D) Individuals whose characteristics are best suited to the environment generally leave more offspring than those whose characteristics are less well suited.
E) Only a fraction of an individual's offspring may survive.