This key element is an essential part of amino acids (proteins). Identify this element. How does this element move through the spheres of Earth? What is this process called?

I believe it might be carbon cycle? I'm not 100% sure

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.