The early amniotes
A) developed a land egg.
B) had a four-chambered heart.
C) had lungs equipped with air sacs.
D) were bipedal and gave rise to the mammals.
E) appeared at the start of the Paleozoic Era.
Correct Answer:
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Q4: The first tetrapods evolved _.
A) on land
B)
Q8: Most amphibians are completely dependent on an
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
Q25: Which of the following is not a
Q26: All EXCEPT which of the following have
Q28: The malformation in the animal pictured in
Q31: Vertebrate colonization of terrestrial habitats increased dramatically
Q34: Sharks, rays, and skates belong to the
A)Aves.
B)Amphibia.
C)Chondrichthyes.
D)Osteichthyes.
E)Reptilia.
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