mating
Mating refers to the exchange of biological germ cells, leading to fertilization and reproduction activities. Mating activities between livestock are also commonly referred to as breeding. Insects, insects, and maternal fish mating activities can be called mating. Male sperm will enter the female body, and the role of fertilization with the egg cells. However, if the fertilization process occurs in vitro or in the absence of sexual intercourse, it is no longer a mating, such as fish (male and female discharge germ cells into water, complete fertilization) or artificial insemination. ...