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Question

Why do birds and mammals need more energy?


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Solution

Energy requirements for birds and mammals:

  1. Birds and mammals are warm-blooded animals.
  2. They maintain a constant body temperature.
  3. They generate heat in order to keep their bodies warm.
  4. They keep their body cool during heat and heat during the cold.
  5. For this purpose, they require more oxygen for metabolism and it produces energy.
  6. This energy helps in maintaining their body temperature,
  7. Therefore, birds and mammals require more energy.

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