Question

What is fertilisation? Distinguish between external fertilisation and internal
fertilisation.

Answer 1

Fertilisation or fertilization, also known as generative fertilisation, syngamy and impregnation, is the fusion of gametes to give rise to a new individual organism or offspring and initiate its development.......

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.

Answer 2

Answer:

The fusion of male and female gamete is called fertilization.

External fertilization occurs outside the femal body . e.g frogs

Internal fertilization occurs inside the female body . e.g . humans