Which areas of the brain is responsible for processing signals?

because the light is a great source of energy for the plants to survive. (i hope this )

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.