The thorns on cacti are modified leaves and represent an example of a(n) _______
A) evolution.
B) binomial.
C) expressed gene.
D) genome.
E) adaptation.

Question

Quizplus · Accepted Answer

The thorns on cacti are modified leaves that have evolved to protect the plant from herbivores and reduce water loss. This is an adaptation, which is the process by which a population or species becomes better suited to its environment through genetic or behavioral changes over time. Therefore, the best choice is E, adaptation.

The Thorns on Cacti Are Modified Leaves and Represent an Example