give two examples of organisms that have external fertilisation and internal development.
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In oviparity, fertilized eggs are laid outside the female's body and develop there, receiving nourishment from the yolk that is a part of the egg. This occurs in most bony fish, many reptiles, some cartilaginous fish, most amphibians, two mammals, and all birds.
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internal fertilisation in human beings , cats, dogs etc..
external fertilisation in frogs and bony fishes
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