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Biological Evolution: Unity and Diversity: Vertebrates and Invertebrates
Amphibian Evolution and Ecology
Description
Amphibian Evolution and Ecology
Amphibians are a fascinating group of vertebrates that bridge the evolutionary gap between aquatic and terrestrial life. They first appeared more than 350 million years ago, evolving from lobe-finned fish. Their dual existence in both water and land highlights a r...
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Transcript
As we know, amphibians are cold-blooded animals living in water and on land.
These adaptations appeared about 370 million years ago, when lobe-finned fish known as sarcopterygians evolved strong, fleshy fins and primitive lungs.
These features helped them survive in shallow water.
Over time, some of their descendants evolved in...
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