Biology (Raven), 10th Edition

Chapter 33: Animal Diversity and the Evolution of Body Plans

Pre-Test

1
Which of these is NOT a feature common to all animals?
A)locomotion
B)multicelluarity
C)heterotrophic
D)lack of a cell wall
E)specialized tissues
2
A(n) _____ is an example of a specialized organ system that assists with distribution of nutrients and removal of wastes.
A)flagella
B)excretory system
C)coelom
D)pseudocoelom
E)circulatory system
3
The innovation of segmentation allowed for redundant systems and what other important improvement?
A)hydration
B)meiosis
C)locomotion
D)reproductive success
E)vision
4
Which of these is NOT a protostome?
A)spiralians
B)ecdysozoans
C)lophotrochozoa
D)echinodermata
E)platyzoa
5
What is thought to have been the key innovation that fostered diversification in animals?
A)cephalization
B)specialized tissues
C)coeloms
D)closed circulatory systems.
E)bilateral symmetry
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