The evolutionary contribution of amphibians to life on land was the development of

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Amphibians are the first vertebrates to have evolved lungs and limbs, which allowed them to breathe air and move on land. This innovation was essential for tetrapod evolution and paved the way for the diversification of land vertebrates. Although amphibians have other adaptations that helped them survive on land, such as a watertight skin and a life cycle independent of water, these are not unique to them and have been independently evolved by other groups. The amniotic egg and shell, which are crucial for terrestrial reproduction, evolved in reptiles and are not an amphibian innovation.

The Evolutionary Contribution of Amphibians to Life on Land Was