Plants in the Desert-Adapted Families Cactacea (Cactus)and Euphorbia (Euphorbs)share Many

Multiple Choice

Plants in the desert-adapted families Cactacea (cactus) and Euphorbia (euphorbs) share many of the same physical characteristics,such as succulent stems that store water and CAM photosynthesis,but they do not share a recent common ancestor.This evidence suggests that these families are an example of

A) convergent evolution.
B) homologous structures.
C) vestigial structures.
D) divergent evolution.