In this article we will discuss about Amphibians:- 1. Origin of Amphibia 2. Factors that Caused Amphibian Evolution 3. Probable Ancestry 4. Structure of Amphibians 5. Digestive System of Amphibians 6. Respiratory System and Sound Production 7. Circulatory System 8. Nervous System 9. Urinogenital System 10. Reproduction and Development 11. 11. Reasons for Extinction. Contents: Origin of Amphibia Factors that [...]
In this article we will discuss about Neoteny:- 1. History of Neoteny 2. Types of Neoteny 3. Factors 4. Genetics 5. Significance. Contents: History of Neoteny Types of Neoteny Factors for Neoteny Genetics of Neoteny Significance of Neoteny 1. History of Neoteny: Since many years the size difference of the adult and larval phase of spotted salamander was noted. The [...]
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 in the skull which articulates [...]