The single defining characteristic of the mammals is the presence

The single defining characteristic of the mammals is the presence of?mammary glands. a placenta. hair. warm blood. a skul
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Which of these is a defining characteristic in a eukaryotic cell?reproduces asexually presence of a membrane bound nucleus
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.Which of these is a defining characteristic in a eukaryotic cell? absence of membrane bound mitochondria DNA is present
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Observation of tool-making among chimpanzees was revolutionary primarily because scientists believed _______.a. chimpanzees
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2. asked by The boundaries of the former Soviet Union changed
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37. Wings, fins, and arms are limb adaptations that allow mammals toa. live in different environments b. attain diverse sizes c.
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Need help with these 2--37. Wings, fins, and arms are limb adaptations that allow mammals to a. live in different environments
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37. Wings, fins, and arms are limb adaptations that allow mammals toa. live in different environments b. attain diverse sizes c.
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37. Wings, fins, and arms are limb adaptations that allow mammals toa. live in different environments b. attain diverse sizes c.
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Which major characteristic defines the Cenozoic era?(1 point)Responses Mammals became dominant. Mammals became dominant.
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Which major characteristic defines the Cenozoic era?(1 point)Responses All mammals became extinct. All mammals became extinct.
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