Which one of the following is characteristic of all mammals and not of any other living vertebrates?
A) hair
B) maternal care
C) a four chambered heart with pulmonary circuit
D) endothermy
E) live birth
Correct Answer:
Verified
Q25: Features that have been retained by reptiles
Q26: All living reptiles are
A)cold-blooded.
B)ectothermic.
C)endothermiC.
D)poikilothermic.
E)thermostatic.
Q27: Amphibians are not completely free to live
Q27: The most successful terrestrial vertebrates that invaded
Q28: Reptiles can maintain their internal body temperature
Q29: Which of the following is not one
Q32: Modern birds are characterized by all of
Q34: Birds are different from reptiles in all
Q34: The remarkable success of bony fishes has
Q40: Amphibians are thought to have evolved from
A)ray-finned
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