Choose the largest block of time.
A) Era
B) Epoch
C) Period
D) Age
Correct Answer:
Verified
Q3: Choose the key characteristic that allowed amphibians
Q4: An example of a modern-day jawless fish
Q5: What feature allows mammals to have a
Q6: The first mammals very likely arose from
Q7: The first reptiles were the sail-toting:
A)pelycosaurs
B)thecodonts
C)therapsids
D)dinosaurs
Q9: The very first vertebrates were:
A)cartilaginous fish
B)fishes with
Q10: The type of fish represented by the
Q11: Reptiles were better adapted to land than
Q12: Which of these is not a characteristic
Q13: The first vertebrates to invade land were:
A)amphibians
B)birds
C)reptiles
D)arthropods
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