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4 points on reptiles

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4 points on reptiles

Posted by Nikki Maan 5 years, 10 months ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 5 years, 10 months ago

These are creeping and burrowing terrestrial animals with scales on their body. They are cold-blooded animals found in most of the warmer regions of the world.
Their skin is dry, and rough, without any glands.
The body is divided into head, neck, trunk, and tail.
Few of these shed the scales on their skin as skin cast.
The respiration takes place with the help of the lungs.
The skull is monocondylic.
They have two pairs of pentadactyl limbs, each bearing claws. Snakes are an exception.
The heart is 3 chambered. However, crocodiles have a 4-chambered heart.

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