biology class 11

TAXONOMY | Species | Genus | Kingdom | Family | Order,

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TAXONOMY (Taxa – = arrangement, -nomos= law) The process of classification into different taxa is called taxonomy. Term taxonomy was first introduced by A.P. de Candolle (Swiss Botanist). Modern taxonomy takes an account of the internal and external structures along with the structure of cell, development process & ecological information of organisms. Characterization, Identification, Classification …

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DIVERSITY IN THE LIVING WORLD | Need of classification

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THE LIVING WORLD Biology (Bio- = life, -logy = study of) is the science of life forms and living processes. Aristotle is a father of biology Planet earth is made up of abiotic and biotic components. The biotic components are the living beings present around us. The abiotic components These includes the climate, temperature soil, …

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DIGESTION AND ABSORPTION | Alimentary canal | Small Intestine | Large Intestine

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DIGESTION AND ABSORPTION Food is one of the basic requirements of all living organisms. The major components of our food are carbohydrates, proteins and fats. Vitamins and minerals are also required in small quantities. Food provides energy and organic materials for growth and repair of tissues. The water we take in, plays an important role …

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