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Friday, 27 January 2017

The Living World - BIODIVERSITY


        Diversity in the living world or biodiversity is the occurrence of variety of life forms differing in morphology, size, colour, anatomy, habitats and habits. Each different kind of plant, animal or microorganisms represents a species.


         Currently there are some 1.7 – 1.8 million living organisms known to science. Out of which 1.25 are animals and about 0.5 millions are plants.


Systematics is branch of biology that deals with cataloguing plants, animals and other organism into categories that can be named, compared and studied.


Identification is the finding of correct name and place and place of an organism in a system of classification. It is done with the help of keys. This is carried out by determining similarity with already known organisms.


Nomenclature is the process of standardize naming of living organism such that a particular organism is known by the same name all over the world. For plants scientific names are based on international code of botanical nomenclature (ICBN) and animals names on international code of zoological nomenclature (ICZN). Scientific name ensures that each organism has only one name.


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