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Definition of Biology | Introduction to Biology
The word biology has been derived from two Greek words bios meaning life, and logos meaning thought or reasoning.
Biology is the scientific study of life.
The study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
In biology we may 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.
Definition of Biology in Science | The Science Definition of Biology
Science is the study in which observations are made, experiments are done, logical conclusions are drawn in order to understand the principles of nature.
In ancient times, the scientific information was not classified into different branches, as it exists today. All the scientific information was included under one head i.e. 'science'.
With the passage of time scientific information increased many folds and this enormous scientific knowledge was then classified into different branches like, biology, physics, chemistry, mathematics etc.
Scientific knowledge is the common heritage of mankind. Dr. Abdus Salam
Relationship of Biology to other Sciences with Examples
The interrelationship among different branches of science cannot be denied. Biology includes information on various aspects of living things but this information relate to the other branches of science as well.
Each branch of science has relationship with all other branches. For example, when studying the process of movement in animals, the biologists have to refer to the laws of motion in physics. This forms the basis of interdisciplinary sciences.
Biophysics
It deals with the study of the principles of physics, which are applicable to biological phenomena. For example there is a similarity between the working principles of lever in physics and limbs of animals in biology.
Biochemistry
It deals with the study of the chemistry of different compounds and processes occurring in living organisms. For example the study of basic metabolism of photosynthesis and respiration involves the knowledge of chemistry.
Biomathematics / Biometry
It deals with the study of biological processes using mathematical techniques and tools. For example to analyze the data gathered after experimental work, biologists have to apply the rules of mathematics.
Biogeography
It deals with study of the occurrence and distribution of different species of living organisms in different geographical regions of the world. It applies the knowledge of the characteristics of particular geographical regions to determine the characteristics of living organisms found there.
Bio-Economics
It deals with the study of organisms from economical point of view. For example the cost value and profit value of the yield of wheat can be calculated through bio-economics and benefits or losses can be determined.
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