Which of the following is NOT a reason birds can fly?
Answer
Having a heavy body
The correct answer is Having a heavy body — A heavy body increases gravity and hinders flight.
Step-by-step solution
- Birds need wings to generate lift.
- Feathers reduce air resistance and help in lift.
- Being light weight allows the bird to ascend easily.
- A heavy body increases gravity and hinders flight.
Common mistake: Thinking a heavy body helps flight
Concept tested: Bird flight requires light weight
Published · How this solution was prepared and checked
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