Pollen is the powder produced by the male sex organs of seed plants which contains the microgametophytes, which in turn produce the male gametes. Pollen grains have a hard coat that protects the sperm ...

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Suzanne is a content marketer, writer, and fact-checker. She ...