Origin of Reptiles: The origin of reptiles is well suited to maintain life on land. Many features show a considerable advance in this respect over the Amphibia. These are the: (i) Dryness of the skin, (ii) Reproduction, and (iii) Devices for economising the use of water. Reptiles have a dramatic evolution. They had an obscure beginning in the Palaeozoic, they [...]
The nervous system in Uromastix is generally on the amphibian plan. Many differences in the plan of nervous system between the two groups are not apparent anatomically but reptiles, however, indicate a higher degree of nervous efficiency. One of the major differences is the absence of lateral line system in reptiles. The absence of this system has been fully compensated [...]
The digestive system of Uromastix exhibits a number of unique features like all other lizards. The digestive system includes the alimentary canal and digestive glands. Alimentary Canal: The alimentary canal of Uromastix is a long and convoluted tube. It can be divided into mouth, buccal cavity, pharynx, oesophagus, stomach, duodenum, ileum or small intestine, colon, rectum or large intestine, cloaca. [...]