Punctuated equilibrium states that choose one:
a. we are not able to determine the rate of evolutionary change, because of the incompleteness of the fossil record.
b. evolutionary change happens at a constant, slow rate.
c. extinction events occur because of large, catastrophic events such as floods.
d. evolution takes place very slowly but has short periods of rapid change.

How is the city of savannah related to the union strategy of a full blockade of confederate ports? a) savannah was the last port needed to be secured in order to totally blockade the coast of georgia. b) savannah was the least significant city in georgia, and the union strategy centered on securing atlanta and capturing the tennessee river. c) savannah was the least significant city in georgia, and the union strategy centered on securing atlanta and capturing the chattahoochee river. d) savannah was the most significant port in georgia, and the union strategy centered on securing bases at savannah and the outlying islands to fully blockade georgia.