Which of these facts are true?
It began over 230 million years ago
Some of the earliest dinosaurs weighedonly about eight pounds
Dinosaurs and birds have commonancestors
The Age of Dinosaurs began about 250 million years ago. In the beginning they were quite small but over time they evolved into the varied and fascinating creatures that captivate our imaginations today. What we know about dinosaurs is evolving, too! We’ve learned that some dinosaurs were good parents, that dinosaurs could grow new teeth when old ones fell out, and that most dinosaurs walked on two legs. We’ve even discovered that birds are modern relatives of dinosaurs!
Author
Megan Stine
Megan Stine has written several books for young readers, including Where Is the White House?, Who Was Marie Curie?, and Who Was Sally Ride?.
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