Classification of Living Things

Subject: Science

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Overview

The arrangement of organisms into groups based on particular characters is called classification. The system of assigning two names, first generic name and second specific name in Latin to an organism is called binomial system of nomenclature. This note provides us the information about classification and its importance.

Classification of Living Things

All the living beings of the world are divided into various groups depending upon their similarities and characteristics. like appearance, reproduction, mobility, It makes easy to study about the organisms. We cannot study about the organisms separately, it is very difficult. They are arranged into different groups on the basis of their similarities and dissimilarities. The arrangement of living organisms into different groups is known as a classification of living organisms. CarolosLinnaeus divided the world of living organisms into two kingdoms: animal kingdom and plant kingdom.

Taxonomy

Taxonomy is the branch of science that deals with identification, nomenclature and classification of the living organisms. It is derived from two greek words- taxis means classification and nomos mean law. It is the science of naming, describing and classifying all the living organisms of the world.

Classification

The arrangement of organisms into groups based on particular characters is called classification. There are 7 levels of classification of living organisms: Kingdom, Phylum, Classes, Order, Families, Genus, and Species.

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Nomenclature

The process of giving scientific names to plants and animals is called nomenclature. Linnaeus is known as the father of nomenclature as he was the first person to assign the generic name (first name) and the specific name (second name) to the plants and animals. The system of assigning two names, first generic name and second specific name in Latin to an organism is called binomial system of nomenclature. The generic and specific names should be underlined when written by hand and given in italics when printed. The group of closely related species is known as Genus. For example, dog, jackal, wolf are placed in the same genus. Species includes a group of individuals which resemble one another in all essential morphological and reproductive characters. Some of the examples are given below in table:

Common name Generic name Specific name
Frog Rana tigrina
Man Homo sapiens
Tiger Panthera tigris
Rice Oryza sativa
Pea Pisum sativum
Classification of Living Things
Classification of Living Things

Importance of classification

Classification of organisms helps us in following ways:

  1. It provides support in favor of evolution.
  2. It takes a short period for the understanding of organisms.
  3. It suggests us ways of giving scientific names to the organisms.
  4. It shows natural relationship of organisms.
  5. It makes the study of organisms easier and scientific.
Things to remember
  • The arrangement of organisms into groups based on particular characters is called classification.
  • The system of assigning two names, first generic name and second specific name in Latin to an organism is called binomial system of nomenclature.
  • The group of closely related species is known as Genus.
  • Classification of organisms provides support in favor of evolution and better understanding of organisms.
  • Taxonomy is the branch of science that deals with identification, nomenclature and classification of the living organisms. 
  • It includes every relationship which established among the people.
  • There can be more than one community in a society. Community smaller than society.
  • It is a network of social relationships which cannot see or touched.
  • common interests and common objectives are not necessary for society.
Videos for Classification of Living Things
Classification of Life
Classification of Living Things
Questions and Answers
The arrangement of organism into groups based on the particular character is called classification. It is necessary for any organisms because:
a) It supports in favor of evolution.
b) It takes short period for better understanding of an organism.
c) It makes the study of organism easy and scientific.
d) It helps in understanding the similarities of a group of organisms.
Binomial system of nomenclature means giving two names for each organism. The first represents generic name and second represents specific name. This way of naming is known as binomial system of nomenclature.
The group od closely related species is known as genus. For example dog , jackle , wolf are in same genus.

The process of giving scientific names to plants and animals is called nomenclature. For example: scientific name of pea is pissium savitum.

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