Judith Barry

Biology

28 December, 17:31

A population of mollusks has lived in a relatively stable environment and shown no great change in many, many years. They live, die, and get fossilized every few hundred thousand years. Judging from the fossilized snails, little observable evolution has occurred. This is an example of

A) stasis.

B) extinction.

C) natural selection.

D) punctuated equilibrium.