What body feature is most responsible for freeing vertebrates from dependence on watery habitats?
A) lungs
B) paired appendages
C) shelled, amniote eggs
D) a four-chambered heart
E) fur
Correct Answer:
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Q5: Amphibians are distinguished from earlier vertebrates by
Q6: Four of the five adaptations below allowed
Q7: Mammals are the only vertebrates that possess
Q8: The oldest surviving primate lineage includes the
Q9: The first snakes evolved during the Cretaceous,
Q11: In tunicates, the notochord _.
A)is present throughout
Q12: Which chordate feature is present in adult
Q13: Anatomically modern humans originated in _.
A)south Africa
B)the
Q14: Live birth is characteristic of _.
A)marsupials only
B)monotremes
Q15: Which of the following likely favored the
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