The Urodela
A) are hermaphroditic.
B) are tadpoles when young.
C) retain their tail permanently.
D) live only in the tropics.
E) never have to return to water to breed.
Correct Answer:
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Q5: Which is true regarding the oxygen content
Q6: Tetrapods originated in the _ period.
A)Permian
B)Cambrian
C)Carboniferous
D)Devonian
E)Silurian
Q7: Which of the following regulates amphibian metamorphosis?
A)Calcitonin
Q8: The sequence of Eusthenopteron,Acanthostega,and Ichthyostega fossils show
Q9: Moving from fish to amphibians,we see which
Q11: Amphibians were the first vertebrate invaders of
Q12: Completely terrestrial salamanders
A)have succeeded in avoiding the
Q13: Caecilians
A)live in the tropics around the world.
B)are
Q14: Lungless salamanders lack lungs and breathe through
Q15: The Amphiumidae salamanders
A)are terrestrial throughout their lifetime.
B)have
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