Organisms that reproduce sexually do so via the production of sex cells also called gametes. In humans, male sex cells or spermatozoa (sperm cells), are relatively motile. Female sex cells, called ova or eggs, are non-motile and much larger in comparison to the male gamete.
The male sex cells are sperm, while the female sex cells are eggs. Sex cells are formed What is the role of sex cell production in an animal life cycle? Sex cell.
Gametes are an organism's reproductive cells. They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called .