Biology

Different Branches of Biology

What are the different branches of biology and their meaning?

Introduction to Biology

Biology is the scientific study of life. The word “Biology” has been derived from two Greek words; Bios meaning ‘life’ and Logos meaning ‘thought or reasoning’. In the course of biology we will study how man has thought about living things. To understand and appreciate nature, it is essential to study the structures, functions and related aspects of living organisms. The study of living organisms also provides information and remedies to human problems regarding health, food, environment etc.

Division and Branches of Biology

There are three major divisions of Biology which study the different aspects of lives of major groups of organisms.

·        Zoology

This division of biology deals with the study of animals.

·        Botany

This division of the biology deals with the study of plants.

·        Microbiology

This division of biology deals with the study of microorganisms such as bacteria etc.

In order to study all the aspects of life, these divisions are further divided into different branches as defined below.

Morphology

This branch deals with the study of form and structures of living organisms.

Anatomy

The study of internal structure is anatomy.

Histology

The microscopic study of tissues is known as histology.

Cell Biology

The study of structures and functions of cells and cell organelles is called cell biology. This branch also deals with the study of cell division.

Physiology

This branch deals with the study of functions of different parts of living organisms.

Genetics

The study of genes and their roles in inheritance is called genetics. Inheritance means the transmission of characters from one generation to the others.

Embryology

It is the study of development of an embryo to new individuals.

Taxonomy

It is the study of naming and classification of organisms into groups and sub groups.

Palaeontology

It is the study of fossils, which are the remains of extinct organisms.

Environmental Biology

It deals with the study of the interactions between the organisms and their environments.

Socio-biology

This branch deals with the study of social behavior of the animals that make societies.

Parasitology

This branch deals with the study of parasites.

Biotechnology

It deals with the practical application of living organisms to make substances for the welfare of mankind.

Immunology

It is the study of immune system of animals, which defend the body against invading microbes.

Entomology

It is the study of insects.

Pharmacology

It is the study of drugs and their effects on the system of human body.

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