Final answer:
Pollen grains are male gametophytes similar to sperm in humans.
Explanation:
Pollen grains are male gametophytes that are distributed by wind, water, or animals. They contain only a few cells and carry sperm to female reproductive organs, similar to how sperm cells function in humans.
Learn more about Pollen grains and male gametophytes here:
https://brainly.com/question/41339144
