The concept that most morphological changes in species occur gradually over long periods of time is known as the ____.
A) phyletic gradualism hypothesis
B) principle of convergent evolution
C) punctuated equilibrium hypothesis
D) unified theory of evolution
E) concept of adaptive radiation

Question

Quizplus · Accepted Answer

The phyletic gradualism hypothesis posits that significant evolutionary changes occur through the accumulation of small, incremental changes over long periods. This contrasts with theories like punctuated equilibrium, which suggests that species remain relatively unchanged for long periods, with significant changes occurring in relatively short, intense bursts.

The Concept That Most Morphological Changes in Species Occur Gradually