The Sequence of Eusthenopteron,Acanthostega,and Ichthyostega Fossils Show a Progression in Which
The sequence of Eusthenopteron,Acanthostega,and Ichthyostega fossils show a progression in which of these?
A) Lung development
B) Egg-shell development
C) Loss of tail and gills
D) Limb development
E) All of the choices developed together.
Correct Answer:
Verified
Q3: The term "tetrapods"
A)refers to the organisms that
Q4: What was the 350 million-year-old fossil called
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
Q9: Moving from fish to amphibians,we see which
Q10: The Urodela
A)are hermaphroditic.
B)are tadpoles when young.
C)retain their
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
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