In this article we will discuss about:- 1. Introduction to Mammals 2. Definition of Mammal 3. Biological Organisation 4. Archaic Mammals 5. Ancestries 6. Evidences 7. Evidences 8. Molar Hypotheses 9. Probable Ancestry 10. Biological Trends. Contents: Introduction to Mammals Definition of Mammal Biological Organisation of Mammals Archaic Mammals Ancestries of Mammals Evidences from Living Mammals Evidences from Serology Support [...]
In this article we will discuss about:- 1. Introduction to Origin of Camels 2. Biological Organisation of Camel 3. Surviving Genera of Camels 4. Ancestry of Camels 5. Biological Trends in the Evolution of Camels 6. Palaeontological Procession of Camels 7. Pliocene and Pleistocene - Periods for True Camels. Contents: Introduction to Origin of Camels Biological Organisation of Camel Surviving [...]
The following points highlight the four theories for organic evolution of living organisms. The theories are: 1. Lamarckian Theory 2. Darwinism and the Theory of Natural Selection 3. Synthetic Theory of Evolution 4. De Vries—The Theory of Mutation. Theory # 1. Lamarckian Theory: Jean Baptiste de Lamarck (1744-1829), a French Scientist, was undoubtedly the first biologist to propose a definite [...]