In this article we will discuss about Species:- 1. Concept of Species 2. Types of Species 3. Intraspecific Categories. Concept of Species: Linnaeus (1735) conceived "species" as a unchangeable unit. This monotypic or static concept prevailed till the 19th century. The system of classification followed by Linnaeus is an artificial system. While defining a species only the morphological characters were [...]
In this article we will discuss about Systematics:- 1. Meaning of Systematics 2. Branches of Systematics 3. Applications in Biology. Meaning of Systematics: The term systematics is derived from the Latinised Greek word and 'systema' means 'together'. The systematics partly overlap with taxonomy and originally used to describe the system of classification prescribed by early biologists. Linnaeus applied the word [...]
The following points highlight the four important species concept. The important species concept are: 1. Typological or Essentialist Species Concept 2. Nominalistic Species Concept 3. Biological Species Concept 4. Evolutionary Species Concept. 1. Typological Species Concept: According to this concept, there are a number of diversities on the surface of the earth that exist as a limited number of universals [...]