Which of the following adaptations of the flowering cactus would not be considered a nonspecific defensive mechanism?

A.) The generation of nectar

B.) The growth of spines

C.) The presence of toxins in seed casings

D.) The production of resins

Answer: Option A.

The generation of nectar in flowering cactus is not a nonspecific defensive mechanism.

Explanation:

Cactus is a xerophytes that have adaptations to survive in its environment.

Cactus have extrafloral nectaries that produce nectars for pollination. The generation of Cactus nectars is just to attract insects like bees for polloniation and not as nonspecific defensive mechanism.