in the illustration, the structures that project from the cell membrane are and are used for
a) cilia, locomotion.
b) pili, homeostasis.
c) flagella, reproduction.
d) pseudopodia, predation.

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.

c. heat from the poles back down towards the equator.