BIOLOGICAL CLASSIFICATION
KINGDOM ANIMALS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Have 4 limbs, front appendages are modified into wings and back appendages are used for walking or perching, have feather which help them fly and/or stay warm.
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Reptilia (reptiles)
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Aves (birds)
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Forelimbs are modified into wings.
Detailed explanation-2: -The sternum is modified into a keel for the attachment of large, powerful flight muscles.
Detailed explanation-3: -The forelimbs of a bird are its wings. Birds’ forelimbs have been transformed into wings to help them fly. Wings of birds are made of feathers and hollow bones. It differs in shape for different flying mechanisms.
There is 1 question to complete.