In this article we will discuss about Reptiles:- 1. Definition and Origin of Reptiles 2. History of Reptiles 3. Characteristic Features 4. Classification. Definition and Origin of Reptiles: Reptiles may be defined as “cold-blooded vertebrates, breathe by lungs throughout their existence, and having the body covered with scales or scutes. A basioccipital bone is present […]
Reptiles: Origin, History and Classification
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Structure of Snakes–Discussed! | Reptiles
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In this article we will discuss about the structure of snakes. Due to fossorial adaptation, snakes show many peculiar features (Fig. 8.20). External Features: (i) The body of snakes is extremely elongated and cylindrical. (ii) The limbs are absent, except in certain genera where traces of posterior limbs are present at the base of the […]
3 Major Poisonous Components in a Snake | Reptiles
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The following points highlight the three major poisonous components in a snake. The components are: 1. Poison Gland 2. Poison Ducts 3. Fangs. Snake: Poisonous Components # 1. Poison Gland: The poison glands or venom glands (Fig. 8.29), are situated one on either side of the upper jaw, mainly in the space between the eye […]
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