The theory that species persist unchanged for long periods and then undergo rapid evolutionary change is known as
a. gradualism
b. punctuated equilibrium
c. parallel evolution
d. homology
e. microevolution
Answer: B
The theory that species persist unchanged for long periods and then undergo rapid evolutionary change is known as
a. gradualism
b. punctuated equilibrium
c. parallel evolution
d. homology
e. microevolution