Sharks, rays, and skates belong to the
A) Aves.
B) Amphibia.
C) Chondrichthyes.
D) Osteichthyes.
E) Reptilia.
Correct Answer:
Verified
Q4: The first tetrapods evolved _.
A) on land
B)
Q11: Amniotes differ from earlier vertebrates by
A) their
Q14: Declining amphibian populations are correlated with
A) habitat
Q15: The first group to exhibit an amniotic
Q16: Pouches in the gut wall developed into
Q30: The early amniotes
A)developed a land egg.
B)had a
Q31: Vertebrate colonization of terrestrial habitats increased dramatically
Q36: Exchange of respiratory gases through the skin
Q38: In which group are retention of larval
Q39: In true fishes, the gills primarily serve
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