State how hens and frogs differ in their fertilization process?
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In hen, internal fertilization takes place while in frog external fertilization takes place. In hen, egg is already fertilized in the hen's body whearas in frog, first the unfertilized egg is laid by the frog, then the male frog comes and fertilizes it.
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hens are ovapirous in which internal fertilasation take places. the fertilized eggs devolops into into embroy inside the body .... frogs are ovapaious in which noth fertisation and development of zygote to embroy young ones occurs outside the boby ...
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