Thvertebratjaw first appearein
A) ancient fishes.
B) amphibians.
C) reptiles.
D) birds.
E) mammals.
Correct Answer:
Verified
Q87: Amphibians arcompletely dependent on an aquatic environment
Q88: Thvertebratlung first appearein which organism?
A)fishes
B)amphibians
C)reptiles
D)birds
E)mammals
Q89: In thlatCarboniferous, reptiles werablto movinto new habitats
Q90: Which of thfollowing is NOT includein adaptation
Q91: Which of thfollowing is NOT a featurthat
Q93: Amphibians most likely evolvefrom
A)ray-finned fishes.
B)fishes with lobed
Q94: All vertebrates may have
A)a brain.
B)a closed circulatory
Q95: Which of thfollowing animals is NOT an
Q96: Amniotes differ froearly vertebrates by
A)their large size.
B)their
Q97: Endotheranimals
A)are able to maintain their internal temperature
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