The first snakes evolved during the Cretaceous, from short-legged, long-bodied ____.
A) lizards
B) birds
C) crocodilians
D) turtles
E) amphibians
Correct Answer:
Verified
Q4: What allows mammals to process a wider
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
Q10: What body feature is most responsible for
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
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