Question

What is fertilization? Differentiate between internal and external fertilization.

Answer 1

Fertilization is the fusion of male and female gametes to produce a new organism.

Internal fertilization	External fertilization
Fusion of male and female gametes occur inside the female’s body.	Fusion of male and female gametes occur outside.
E.g. Mammals like cats, dogs and humans.	E.g. Frog, starfish and fish.