Which of these is an effect of overcrowding in an environment? a. species create new habitats to survive b. predator-prey relationships change c. rate of animal reproduction increases d. less energy for consumers due to fewer plants

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.

its temperature is increasing. this causes molecular vibrations to increase.