Reproductive system - Fertilisation
3 important questions on Reproductive system - Fertilisation
How does the fertilisation occur in fish and amphibia? Which animal does the fertilisation of the egg cells take place outside the body?
The fertilisation of the egg cells takes place outside the body. Female lays the eggs and male deposits his sperm on it
How does the fertilisation occur in reptiles and birds?
Eggs are fertilised inside the body when the male deposits the sperm inside the egg duct of the female. The egg is laid by the female and the embryo completes its development inside the egg.
How does the fertilisation occur in mammals?
Sperm is placed in the body of the female and the eggs are fertilised internally and develop internally
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