Question

What do you mean by internal and external fertilization?

Answer 1

when the fusion of male and female gametes occur inside the body of the female it is called internal fertilization

when the fusion of male and female gametes occur outside the body of the female it is called external fertilization

Explanation:

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Answer 2

Explanation:

External fertilization is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body. It is contrasted with internal fertilization, in which sperm are introduced via insemination and then combine with an egg inside the body of a female organism.