Monarch butterflies eating milkweed to make themselves poisonous to other species is an example of niche.

true or false?

This statement is true!

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.

yes, because even though a theory has a  lot of evidence to support it, it is not always true