Aliving organism that grows by photosynthesis

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

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.