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.

well, since there is no answer choices, i will give an answer on how it works : )

the two objects are placed together. energy will always be transferred from the hotter object to the cooler object until they are equal. hope this is close to one of the answer choices : )