Multiple Choice
What characteristics separate the Class Mammalia from other animals in the phylum Chordata?
A) bipedal locomotion and an upright stance
B) being heterotrophic and multicellular
C) dorsal tubular nerve cords and notochords
D) vertebrates with hair and mammary glands
E) developed brain and tool use
Correct Answer:
Verified
Correct Answer:
Verified
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