The process of cellular respiration produces energy.
this process occurs at which level of a living thing?
select one:
a. both cellular and organism
b. cellular only
c. organism only

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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.