Tag Archives | Living Organisms

Fertilization: Definition, Events, and Significance | Embryology

In this article we will discuss about:- 1. Definition of Fertilization 2. Prerequisite of Fertilization 3. State of Gametes 4. Events 5. Activation 6. Significance 7. Parthenogenesis. Contents: Definition of Fertilization Prerequisite of Fertilization State of Gametes before Fertilization Events in Fertilization Activation of Fertilization Significance of Fertilization Parthenogenesis and Fertilization 1. Definition of Fertilization: Fertilization is the process which [...]

By |2016-10-13T19:29:49+00:00October 13, 2016|Fertilization|Comments Off on Fertilization: Definition, Events, and Significance | Embryology

Colony of Insects | Ecology

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 [...]

By |2016-10-13T19:29:48+00:00October 13, 2016|Ecology|Comments Off on Colony of Insects | Ecology

Organic Evolution of Living Organisms | Biology

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 [...]

By |2016-10-13T19:30:41+00:00October 13, 2016|Organism|Comments Off on Organic Evolution of Living Organisms | Biology
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