Which bird can not fly:[NCERT 77]a)Starkb)penguinsc)Duckd)PeacockCorrect answer is option 'B'. Can you explain this answer?

Question

Answer

The wings of penguins are modified to swim due to its adaptations and hence, it cannot fly :)

Answer

The wing structures of penguins are evolved for swimming, rather than flying in the traditional sense

Answer

Obviously it is penguin

Answer

Explanation:

Introduction:
Birds are known for their ability to fly, but not all birds have this capability. Some birds have lost the ability to fly due to various reasons such as adaptations to their environment or lifestyle. One such bird is the penguin.

Penguins:
Penguins are flightless birds that are found in the Southern Hemisphere, particularly in Antarctica. They have evolved to adapt to a life in the water rather than in the air. Their wings have become modified into flippers that help them swim through the water with great speed and agility. Although they cannot fly, penguins are excellent swimmers and are known for their ability to dive deep into the ocean in search of food.

Adaptations for swimming:
Penguins have several adaptations that enable them to swim efficiently. Their streamlined bodies reduce drag in the water, allowing them to move quickly. Their strong bones and muscles help them withstand the pressure of diving deep into the ocean. They also have webbed feet that act as paddles, enabling them to propel themselves through the water. These adaptations make penguins well-suited for their aquatic lifestyle.

Difference from other flightless birds:
While penguins are flightless birds, there are other flightless birds as well, such as ostriches, emus, and kiwis. However, the reasons for their flightlessness may differ. Ostriches, emus, and kiwis have wings that are too small and underdeveloped to support flight. In contrast, penguins have wings that have evolved into flippers, which are specialized for swimming rather than flying.

Conclusion:
In conclusion, the bird that cannot fly is the penguin. Penguins have adapted to a life in the water and have lost the ability to fly. Their wings have become modified into flippers, which enable them to swim with great speed and agility. While penguins are flightless, they are excellent swimmers and have several adaptations that make them well-suited for their aquatic lifestyle.

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