The below mentioned article provides a note on vertebrate society. Definition of Vertebrate Society: A society has been defined as a grouping of organisms within a population. The vertebrate society, as it appears, is more successful than the invertebrate society. The success of vertebrate societies lies in the functional versatility of the individuals. In the insect society the reproductive ability [...]
In this article we will discuss about:- 1. Simple-Cell Insect Colony 2. Social Organisation in Communal Insects 3. Characteristics. Simple-Cell Insect Colony: In those protozoa which reproduce sexually, the zygote or the cell individual formed by the union of the gametes divides by fission into two or more individuals like itself and these usually separate and lead their own independent [...]
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 [...]