What is common among Ostrich,Kiwi,and Penguin | vedclass

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(C) Ostrich $(Struthio)$,Kiwi $(Apteryx)$,and Penguin $(Aptenodytes)$ are all examples of flightless birds. These birds have evolved to lose the abili

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Flightless birds

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(C) Ostrich $(Struthio)$,Kiwi $(Apteryx)$,and Penguin $(Aptenodytes)$ are all examples of flightless birds. These birds have evolved to lose the ability to fly due to various evolutionary adaptations,such as reduced wing size and the absence of a keel on the sternum,which is necessary for the attachment of large flight muscles. Therefore,the common characteristic among them is that they are flightless birds.

What is common among Ostrich,Kiwi,and Penguin?

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