The Relative Lengths of the Amphibian and Mouse Branches in the Phylogeny

Multiple Choice

The relative lengths of the amphibian and mouse branches in the phylogeny in Figure 26.12 in your textbook indicate that

A) amphibians evolved before mice.
B) mice evolved before amphibians.
C) the genes of amphibians and mice have only coincidental homoplasies.
D) the homologous gene has evolved more slowly in mice.
E) the homologous gene has evolved more rapidly in mice.