OBJECTIVE LIFE SCIENCE
DIVERSITY AMONG LIFE FORMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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My body is covered with hair or fur, I have live babies, and I maintain a constant body temperature. What am I?
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Bird
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Reptile
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Mammal
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Echinoderm
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Explanation:
Detailed explanation-1: -Mammals are the only animals that have hair. It grows from the outer layer of the skin. A dense covering of hair is often called fur or wool and insulates.
Detailed explanation-2: -Insulation is the most conspicuous and perhaps the most universal function of hair in modern mammals, but hair doesn’t serve as effective insulation until it is fairly well developed as pelage.
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