How do animals reproduce sexually?

During sexual reproduction in animals, a haploid sperm and unites with a haploid egg cell to form a diploid zygote. The zygote divides mitotically and differentiates into an embryo. The embryo grows and matures. After birth or hatching, the animal develops into a mature adult capable of reproduction.

How do animals reproduce sexually asexually?

Asexual reproduction in animals occurs through fission, budding, fragmentation, and parthenogenesis. Sexual reproduction may involve fertilization inside the body or in the external environment.

Do animals reproduce sexually or asexually?

Asexual organisms, such as many species of single cell bacteria, reproduce by forming clones, or exact copies, of themselves which split off from the parent. On the other hand multicellular organisms, such as plants and animals, reproduce sexually — through the fusion of sex cells.