SCIENCE
ZOOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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They have a well-developed median parietal eye
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They are most active at lower temperatures
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They often live in burrows shared with petrel birds
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All of the above
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Detailed explanation-1: -Tuatara are the only surviving members of the order Sphenodontia. This order was well represented by many species during the age of the dinosaurs, some 200 million years ago. All species except the tuatara declined and eventually became extinct about 60 million years ago.
Detailed explanation-2: -The tuatara is an iconic terrestrial vertebrate that is unique to New Zealand2. The tuatara is the only living member of the archaic reptilian order Rhynchocephalia (Sphenodontia), which last shared a common ancestor with other reptiles at about 250 million years ago (Fig.
Detailed explanation-3: -lizard, (suborder Sauria), any of more than 5, 500 species of reptiles belonging in the order Squamata (which also includes snakes, suborder Serpentes). Lizards are scaly-skinned reptiles that are usually distinguished from snakes by the possession of legs, movable eyelids, and external ear openings.
Detailed explanation-4: -Tuatara’s have the ability to drop off their tail when necessary. When caught by birds or other predators, they shed their tails and flee. Their tails will later regrow. This often keeps them alive and is a very important adaptation.