Volpe's Understanding Evolution 7th Edition by Peter Rosenbaum

Exercise 4

Amphibia means "double life" referring to
A) The concept that amphibians have ties to both aquatic and terrestrial environments
B) The fact that amphibians are most active by day and by night.
C) The link between terrestrial and flying found in amphibians
D) Alternation of reproductive status found in most amphibians
E) The movement of amphibians between the ground and the tree canopy during various stages of their life cycle.