This is the loss of water from the leaves of a plant

Transpiration

Explanation:

Transpiration is the loss of water vapour from the stems and leaves of plants.

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.