A pattern of evolution in which most change in appearance takes place during a relatively short period of time fits the ______ model of speciation.
A) punctuated gradual
B) punctuated equilibrium
C) homeostatic
D) gradual

Question

Quizplus · Accepted Answer

The description provided fits the punctuated equilibrium model of speciation, in which long periods of little change (equilibrium) are punctuated by sudden bursts of rapid change (punctuation). This results in species changing relatively quickly over a short period of time, rather than gradually over a longer period.

A Pattern of Evolution in Which Most Change in Appearance