In this article we will discuss about Reptiles:- 1. Origin of Reptiles 2. Ancestry of Reptiles 3. History 4. Evolutionary Gain 5. Adaptive Radiation 6. Habit and Habitat 7. Size 8. Skin 9. Skeleton System 10. Digestive System 11. Respiratory System 12. Circulatory System 13. Nervous System and Sense Organs 14. Excretory System 15. Reproductive System. Contents: Origin of Reptiles [...]
In this article we will discuss about Extinct Dinosaurs:- 1. Types of Extinct Dinosaurs 2. Causes of Dinosaur Extinction 3. Biological Views. Types of Extinct Dinosaurs: Reptile-like Dinosaurs (Saurischia): The earlier members of this order were small, bipedal and carnivorous and resembled the ancestral form—the Thecodont. Later from them arose two divergent groups: Theropoda and Sauropoda. I. Suborder 1. Theropoda: [...]
In this article we will discuss about Calotes:- 1. Subject Matter of Calotes 2. Structure of Calotes 3. Sense Organs 4. Ecdysis. Subject Matter of Calotes: Example of the Class Reptilia — Calotes: Calotes versicolor is a common Indian garden lizard. It is often called a blood-sucker but in reality, it does not suck blood. The colour of the body [...]