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Hen and frog both lay eggs,but there is a major difference in their process of reproduction. List at least three differences.

hen egg can be ferilised, they are performing internal fertilisation while frog external fertilisation and frog carry out metamorphosis while hens don't.

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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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great answers , thanks!
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A hen's egg is amniotic while that of a frog is not. This is because the egg of a hen contains the amniotic fluid but the egg of the frog does not. This is why frogs lay their eggs in water as the lack of amniotic fluid puts the eggs of frogs at a high risk of death due to desiccation.
 
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