Question

Difference between the external and internal fertilisation in animams ?

Answer 1

Internal fertilisation is a process in which the process of formation of zygote takes place inside the body of mother. for he human being and any other mammal.

External fertilisation is the process in which mother produces egg cells and father produces sperm cells and the fertilisation of two takes place outside the mother's body. For eg star fish and frog.

Answer 2

External fertilization

• The fertilization occurs outside the female body.
• Number of offspring produce is more.
• Less survival chances of offspring.
• For example frog, butterfly etc.

Internal fertilization

• The fertilization occurs inside the human body.
• Number of offspring produce is less.
• More survival chances of offspring.
• For example human, cat dog etc.

I hope this will help you.....