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Earn 100

The common feature shared by both birds and mammals is
(a)Presence of three ear ossicles, namely, malleus, incus and stapes
(b)Non-vascular air sacs to supplement air to lungs
(c)Presence of haversian canals in bones
(d)Four-chambered heart

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Important Questions on Animal Kingdom
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Which of the following is not a matching set of class and its three examples?

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Which of the following is incorrect?

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Which of the following are egg-laying mammals?

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Which one of the following categories of animals are correctly described with no single exception to it?

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Presence of two uteri and vagina is characteristic of

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Choose the correct set of aquatic mammals:

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Gorilla and chimpanzee are found in
