Dueling Dinosaurs
Sharon Pochron
Article about Triceratops' horns and their purpose. Triceratops had a sharp horn growing above each eye and a smaller horn growing in the center of its nose. Scientists wonder whether these dinosaurs used their headgear to recognize each other, to fight off predators, or to do a different kind of battle.
년:
2016
판:
1
출판사:
Highlights for Children, Inc.
언어:
english
페이지:
5
ISBN 10:
1683295633
ISBN 13:
9781683295631
시리즈:
Read With Highlights
파일:
EPUB, 2.10 MB
IPFS:
,
english, 2016