Biology (Raven), 9th Edition

Chapter 32: Overview of Animal Diversity

Pre-Test

1
Which of these is NOT a feature common to all animals?
A)motility
B)multicelluarity
C)heterotrophic lifestyle
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
Segmentation allowed for redundant systems and improved
A)Hydration
B)Meiosis
C)Locomotion
D)Reproductive success
E)Vision
4
Which of these is NOT a protostomes?
A)Spiralians
B)Ecdysozoans
C)Lophotrochozoa
D)Echinodermata
E)Platyzoa
5
Molecular analysis suggests that the rapid diversification during the Cambrian explosion may have been due to evolution of the
A)Hox genes.
B)Segmentation.
C)True coeloms.
D)Closed circulatory systems.
E)Disease resistance.
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Notice before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.