Join Now: https://join.hsslive.in Downloaded from https://www.hsslive.in ®
Navas cheemadan SOHSS-AREEKODE
FFF are essential and form the basis of
Chapter-01
modern taxonomic studies
LIVING WORLD Characterisation, identification,
DIVERSITY IN THE LIVING classification and nomenclature are the
processes that are basic to taxonomy
WORLD 1. Characterisation:
The number and types of organisms It is the understanding of characters of
present on earth is called Biodiversity. organisms such as external and internal
The number of species that are known structure, structure of cell, development
and described range between 1.7-1.8 process, ecological information etc.
million. 2. Identification:
As we explore new areas, and even old Nomenclature is only possible when the
ones, new organisms are continuously organism is described correctly and we
being identified know to what organism the name is
SYSTEMATICS attached to. This is called identification.
The study of different kinds of organisms 3. Classification:
and their diversities, and also the It is the grouping of organisms into
relationships among them is called convenient categories (taxa) based on
systematics. characters.
The word systematics is derived from the Based on characteristics, all living
Latin word ‘systema’ which means organisms can be classified into different
systematic arrangement of organisms. taxa. This process of classification is
Linnaeus used Systema Naturae as the taxonomy
title of his publication. Q) Why living organisms classified?
The scope of systematics was later Ans : it is nearly impossible to study all the
enlarged to include identification, living organisms, it is necessary to devise
nomenclature and classification. some means to make this possible. This
process is classification. Classification is the
Systematics takes into account
process by which anything is grouped into
evolutionary relationships between
convenient categories based on some easily
organisms.
observable characters.
The scientific term for these categories is
TAXONOMY ‘taxa’ ,based on characteristics, all living
Based on characteristics, all living organisms can be classified into different
organisms can be classified into different taxa. This process of classification is
taxa. This process of classification is taxonomy
taxonomy. 4. Nomenclature (naming):
External and internal structure, along with It is the providing of standardized names to
the structure of cell, development process the organisms such that a particular organism
and ecological information of organisms
Living world/2025
Navas cheemadan SOHSS-AREEKODE
FFF are essential and form the basis of
Chapter-01
modern taxonomic studies
LIVING WORLD Characterisation, identification,
DIVERSITY IN THE LIVING classification and nomenclature are the
processes that are basic to taxonomy
WORLD 1. Characterisation:
The number and types of organisms It is the understanding of characters of
present on earth is called Biodiversity. organisms such as external and internal
The number of species that are known structure, structure of cell, development
and described range between 1.7-1.8 process, ecological information etc.
million. 2. Identification:
As we explore new areas, and even old Nomenclature is only possible when the
ones, new organisms are continuously organism is described correctly and we
being identified know to what organism the name is
SYSTEMATICS attached to. This is called identification.
The study of different kinds of organisms 3. Classification:
and their diversities, and also the It is the grouping of organisms into
relationships among them is called convenient categories (taxa) based on
systematics. characters.
The word systematics is derived from the Based on characteristics, all living
Latin word ‘systema’ which means organisms can be classified into different
systematic arrangement of organisms. taxa. This process of classification is
Linnaeus used Systema Naturae as the taxonomy
title of his publication. Q) Why living organisms classified?
The scope of systematics was later Ans : it is nearly impossible to study all the
enlarged to include identification, living organisms, it is necessary to devise
nomenclature and classification. some means to make this possible. This
process is classification. Classification is the
Systematics takes into account
process by which anything is grouped into
evolutionary relationships between
convenient categories based on some easily
organisms.
observable characters.
The scientific term for these categories is
TAXONOMY ‘taxa’ ,based on characteristics, all living
Based on characteristics, all living organisms can be classified into different
organisms can be classified into different taxa. This process of classification is
taxa. This process of classification is taxonomy
taxonomy. 4. Nomenclature (naming):
External and internal structure, along with It is the providing of standardized names to
the structure of cell, development process the organisms such that a particular organism
and ecological information of organisms
Living world/2025
