Will give a brainlest grasses can withstand the fires common to grasslands because grasses are full of moisture store water in their leaves grow thickly together have extensive root systems

a physical change is being made.

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.