Human Reproduction - FertilizationFertilisation is the fusion of male and the female gametes to produce a new organism. In animals, the process involves a sperm fusing with an ovum, which leads to the formation of zygote.
Types of Fertilization :
In some animal species, the process can occur within the body of the female. This is called internal fertilization.
Example: Human beings.
In some animal species, the process occurs outside the body of the female, which is called external fertilization.
Example: Frogs and fishes.