Which of the following is an example of an abiotic limiting factor on population size a)water availability
b) predation
c)disease
d)availability of food

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.

if you know your abc's you should be able to get your answer or just use google