What Characteristics Separate the Class Mammalia from Other Animals in the Phylum

question 5

Multiple Choice

What characteristics separate the Class Mammalia from other animals in the Phylum Chordata?

• A)bipedal locomotion and an upright stance
• B)heterotrophic and multicellular
• C)a dorsal tubular nerve cord and notochord
• D)vertebrates with hair and mammary glands
• E)develop brain and tool use

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