Tuatara, an organism with pentadactyl limb, is an amniote. It also possesses the nictitating membrane and spines on the body. To which class does this organism belong?

Mammalia

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Reptilia

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Aves

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Amphibia

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Solution

The correct option is B Reptilia
Tuatara is a reptile commonly found in New Zealand. It belongs to the order Rhynchocephalia and resembles lizards. It has pentadactyl limbs and possesses a nictitating membrane. It is characterized by spines on its body.
So, the correct answer is 'Reptilia'.

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