How Did Amphibians Evolve?

Over millions of years, fish species evolved to leave water and survive on land, producing the characteristics shared by all amphibians.

Biology - Animal Kingdom - Learning Points.

The coelacanth is a lobe-finned fish that evolved 400 million years ago.

The coelacanth's fins are strong, long and move like legs.

Two key adaptations enabled early fish to live on land: limbs and the ability to breathe air.

360 million years ago, lobe-finned fish developed four distinct limbs to become tetrapods – the first amphibians.
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