What does the continued presence of vestigial structures like the whale pelvis and femur shown in figure 16–1 suggest about the impact vestigial structures have on fitness?

The continued presence of vestigial structures suggests that these structures do not have a great impact on fitness, like in the whale, because even with these structures, the whale has been able to survive and reproduce.

D.) domain, kingdom, phylum, class, order, family, genus, species