OBJECTIVE LIFE SCIENCE
CELL BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the below are NOT characteristics of birds?A. wingsB. beaksC. exothermic (cold blooded)D. dry skinE. feathersF. hollow bones
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A & B
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C & D
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E & F
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They are all characteristics of birds.
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Explanation:
Detailed explanation-1: -Birds are endothermic and, because they fly, they require large amounts of energy, necessitating a high metabolic rate. As with mammals, which are also endothermic, birds have an insulating covering that keeps heat in the body: feathers.
Detailed explanation-2: -Birds are warm-blooded animals. Their forelimbs are modified into wings. They have well-developed flight muscles that help during the flight. Their hind limbs are adapted for walking, hopping, perching, grasping, wading and swimming. There are epidermal scales on their legs. More items •15-Feb-2021
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