A life spent totally on land was made possible by the evolution of:
A) lungs
B) a waterproof skin
C) the amniote egg
D) all of the above
Correct Answer:
Verified
Q40: Similarities in the anatomy of species that
Q41: Which of the following is not a
Q42: The notochord is:
A)an internal skeletal element
B)a nerve
Q43: All chordates possess at some point in
Q44: Endothermy and heterodonty together are characteristic of
Q46: Ectotherms maintain a constant body temperature by:
A)internal
Q47: Mammals did not become the dominant form
Q48: Dinosaurs belong to the class:
A)Amphibia
B)Aves
C)Mammalia
D)Reptilia
Q49: An example of a nonvertebrate chordate is:
A)a
Q50: Vertebrates include:
A)birds
B)mammals
C)reptiles
D)all of the above
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