Question

what is fertilization? distinguish between external fertilization and internal

Answer 1

here

Fertilization is the process by which a sperm cell and an egg cell unite to form a completely new individual.

The difference between internal and external fertilization is that internal fertilization occurs inside the body, whereas external fertilization happens outside the body.External fertilization requires the presence of water for the sperm to be able to unite with the egg. Both eggs and sperm are released into the water, and the sperm must swim to reach the eggs. Organisms that use external fertilization to reproduce must either live in the water or return to the water for reproduction.

Answer 2

the fusion of male and female gamete is known as fertilisation.
internal fertilisation takes place inside the body.
development of featous does not take place inside the egg.

external fertilisation takes place outside the body.
development of younger ones takes place inside the egg.

hope it helps.

Answer 3

the fusion of male and female gamete is known as fertilisation.
internal fertilisation takes place inside the body.
development of featous does not take place inside the egg.

external fertilisation takes place outside the body.
development of younger ones takes place inside the egg.

hope it helps.