DK Find Out! Prehistoric Fish

Fish were the first vertebrates. They appeared in the Earth’s oceans more than 500 million years ago.


Science Topics
Paleontology
Animals
Fish, Sharks & Rays
K-6
Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade, 6th Grade

What are you looking for?

Organization

DK

Website URL

Type of Resource

Article
Online Interactive Activity

Assigned Categories