Question

What are the types of fertilisation and explain each with example

Answer 1

Answer:

Two types of fertilisation in humans.

•Internal &

•External

~Both fertilisation occurs in female body.

External happens outside the body as egg is covered with calcecarous slightly hard covering.

Eg:: Birds,Reptiles etc.

~And Internal fertilisation occurs inside the female body and after fertilisation the fully develop foetus is pull out from the bodyFor this to happen there needs to be a method for the male to introduce the sperm into the female's reproductive tract.

Eg::Mammals( cows,horse and goat )etc.

Answer 2

There are two types is fertilisation.
1.internal fertilisation-when the fertilisation occurs inside the female body.ex-humans
2.external fertilisation-when fertilisation occurs outside the female body.ex-frogs