The world's food supply is influenced by social disruptions and attitudes, which directly affect which two disciplines? A) wildlife and air pollution
B) the ecology of wildlife and the migration patterns of birds
C) the environment and agriculture
D) the environment and cultures

( NOT b )

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.