Difference between ovipary and vivipary with …
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Sia ? 4 years, 9 months ago
Oviparous Animal
Viviparous Animal
Oviparous organisms are those that lay eggs which can be either fertilised or unfertilised.
Those animals that directly give birth to alive young ones are referred to as viviparous animals.
The development of embryo takes place externally.
The embryo develops inside mother's uterus.
The egg yolk provides nutrition to embryo.
The embryo absorbs nutrients from mother's body during its foetal stage.
Eggs are exposed to several risks and damages which reduces survival rate for oviparous organisms
The chances of survival are high in viviparous animals as embryo stays fully protected inside the mother's womb.
Examples of oviparous organisms are birds, fish, insects, reptiles, amphibians.
Mammals are viviparous animals. It includes human beings, cats, dogs, lions, tigers and so on.
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