Biology: The Unity and Diversity of Life (14th Edition)

Published by Brooks/Cole Publishing Co.
ISBN 10: 1305073959
ISBN 13: 978-1-30507-395-1

Chapter 25 - Self-Quiz - Page 433: 11

Answer

b. a toothless beak

Work Step by Step

The Archaeopteryx had a jaw full of small sharp teeth similar to small dinosaurs that ate meat. Modern birds do not have teeth in their beaks. Modern birds do not have the long bony tail that Archaeopteryx had. Both types of organisms had feathers. Birds have four-chambered hearts.
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