Answers

2015-03-30T20:59:15+05:30
Internal fertilization takes place in mammals like humans inside the human females and external fertlization takes place outside the body like frogs lay eggs
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2015-03-30T21:09:53+05:30
Fertilisation taking place inside the body is called internal fertilisation.
for example:In human females ,fertilisation takes place inside the body

Fertilisation taking outside the body is external fertilisation..
Example:Female frogs leave eggs hat are fertilised by males in the environment 
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