What is not a characteristic that distinguishes gymnosperms and angiosperms from other plants?

The provided question is incomplete as the options are not provided, however the options are as follows:

A.alternation of generations

B ovules

C. integuments

D. pollen

E. dependent gametophytes

The correct answer is - option A. alternation of generation.

Explanation:

Angiosperms and gymnosperms both have alternation gymnosperms however the dominant phase in both are sporophyte. The basic idea of this type of life cycle is stays same.

Plant spores produces the gametes in gametophyte phase of alternation of generation and these gametes form zygote to produce the dominant sporophyte phase of this.

Thus, the correct answer is - a) alternation of generation.

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms