The first terrestrial vertebrates evolved from
...The first terrestrial vertebrates evolved from
pisces
reptilia
amphibia
mammalian
Correct answer is A
The earliest vertebrates resembled hagfish and lived more than 500 million years ago. As other classes of fish appeared, they evolved traits such as a complete vertebral column, jaws, and a bony endoskeleton. Amphibians were the first tetrapod vertebrates as well as the first vertebrates to live on land.
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