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tyressjones tyressjones
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Posts: 4034
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7 years ago
Cartilaginous fishes differ from lampreys because they
A) lack a skull.
B) lack a skeleton.
C) have jaws.
D) are ectotherms.
E) have a three-chambered heart.
Textbook 
Biology: Life on Earth

Biology: Life on Earth


Edition: 10th
Authors:
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skeledentskeledent
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7 years ago
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tyressjones Author
wrote...
7 years ago
Yes! Correct again Slight Smile
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