Biological Science (7th Edition)
7th Edition
ISBN: 9780134678320
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Textbook Question
Chapter 32, Problem 2TYK
What trait(s) define(s) the vertebrates?
a. vertebrae and a cranium
b. jaws and a spinal cord
c. endoskeleton constructed of bone
d. notochord and a post-anal tail
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Which of the following statements about bilaterian animals is false?
A. Many bilaterians are invertebrates but some are not.
B. All bilaterians are triploblastic (have three germ layers).
C. All bilaterians have bilateral symmetry.
D. Most bilaterians have tissues but some do not.
In vertebrates, what anatomical structure partially or completely replaces the notochord? 1.) lateral-line system
2.) cartilage or a bony skeleton
3.) endostyle
4.) dorsal hallow nerve cord
Members of which of the following classes are examples of vertebrate animals that are not amniotes?
A. Class Reptilia
B. Class Sarcopterygii
C. Class Amphibia
D. B and C only
E. A, B, and C
Chapter 32 Solutions
Biological Science (7th Edition)
Ch. 32 - 2. What trait(s) define(s) the vertebrates?
a....Ch. 32 - Most species of hominins are known only from...Ch. 32 - 7. There is some evidence that pharyngeal slits...Ch. 32 - 9. Consider the evolution of protostomes (Chapter...Ch. 32 - Prob. 11PIATCh. 32 - Evolution often results in the co-option of a...
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