What is ment by the terms internal and external fertilisation ? Explain with examples.
Ans The fertilisation in which fusion of male and female gametes takes place inside the female body is called internal fertilisation. Example ( Birds,reptiles,mammals,cows.etc)
The types of fertilisationin in which fusion of male and female gametes takes place outside the animals body is called external fertilisation. Example (fish,frogs,and toads)
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