Which of the following was NOT one of Darwin's observations?
A) Most individuals have an equal chance to survive and reproduce.
B) Changes in populations are gradual and take place over long periods of time.
C) Members of the same species may exhibit considerable variation.
D) Some characteristics are heritable and passed on to offspring.
E) Some characteristics afford their possessor a better chance of survival.

Question

Quizplus · Accepted Answer

Darwin did not make the observation that most individuals have an equal chance to survive and reproduce. In fact, he observed that only a small fraction of individuals in a population survive and reproduce, while the rest die or fail to reproduce. This is known as the struggle for existence or natural selection.

Which of the Following Was NOT One of Darwin's Observations