2. natural selection is an example of a mechanism of
evolution. does this mechanism produce a change in
individuals or populations? explain!

population?

Explanation:

b. the carbon cycle ensures living things have a source of hydrogen

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.