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Pre-Test
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1
Invertebrates are known to display which one of the following types of skeletons?
A)Endoskeleton
B)Exoskeleton
C)Hydrostatic skeleton
D)Endoskeleton and exoskeleton
E)Endoskeleton, exoskeleton, and hydrostatic skeleton
2
Which of the following types of joints allow rotational movement?
A)Pivot joint
B)Ball and socket joint
C)Hinged joint
D)Fused joint
E)All of these joint types allow rotational movement
3
Which of the following is a typical component of striated muscle thin filaments?
A)actin
B)troponin
C)myosin
D)Actin and troponin
E)Actin, troponin, and myosin
4
True or False: The process known as sliding-filament mechanism is responsible for muscle contraction in vertebrates.
A)True
B)False
5
For animals of an equal body weight, which of the following types of movements has the highest energy cost?
A)Jumping
B)Flying
C)Swimming
D)Running
E)Crawling
6
Groups of muscles that produce oppositely directed movement at a joint are known as
A)Extensors
B)Flexors
C)Antagonists
D)Extensors and flexors
E)Extensors, flexors, and antagonists





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