describe the key features of class mammalian? discuss how these features enable them to be at the top of the evolutionary pyramid.
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Mammals are endothermic vertebrates. Have hair and fur on the body. ... The three characteristics are mammary glands, hair and three middle ear bones. Other characteristics often thought to be unique to mammals are found in other species including birds, insects and reptiles.
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2
Answer:
Mammals are endothermic vertebrates. Have hair and fur on the body. ... The three characteristics are mammary glands, hair and three middle ear bones. Other characteristics often thought to be unique to mammals are found in other species including birds, insects and reptiles.
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