Question

define internal fertilization and external fertilization?​

Answer 1

Answer:

internal fertilization is that type of fertilization in which fusion of male gamete that is the sperm with the female gamete occurs inside the female body e.g cow cat dog human etc. External fertilization is that type of fertilization in which fusion of male gamete that is the sperm with the female gamete takes place out side the female body . e.g frog fish etc

Answer 2

Answer:

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.

Internal fertilization is the union of an egg cell with a sperm during sexual reproduction inside the female body.

Hope it helps