Question:

Cacti in the deserts of southwestern North America and some

Last updated: 5/1/2023

Cacti in the deserts of southwestern North America and some

Cacti in the deserts of southwestern North America and some euphorbs in the deserts of Africa have barrel shaped stems short lived leaves and spines yet these two types of plant are from different evolutionary lineages The similar morphology of the two groups of plants is an example of directional selection convergent evolution O stabilizing selection O a developmental homology