Which statement best describes how some trees respond to decreasing temperatures and shorter days in the fall?

they drop their leaves and go into dormancy

Explanation:

oxygen +1 most likely

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.