List three factors which could lead to a biological hazard or danger when producing a sourdough starter? Explain each hazard and how it could be prevented

one would be wind another would be water density

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.