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e All living organisms are classified on the basis nutrition., , I, Producers : All green plants, blue green algae can produce their food (Sugar & starch), from inorganic substance using light energy (Photosynthesis)., , IL Consumers : Include organisms which depend on the producers either directly or, indirectly for their sustenance. Consumers depend on others for food., , CONSUMERS, Herbivores Carnivores Parasite Omnivores, — Grass caters Flesh Eaters Live & feed Feed on both plant, on the host body and flesh., £E.g. Cow, dear £.g. Lion, Tiger £.g. Plasmodium £g. Crow, , III. Decomposeres : Fungi & Bacterias which break down(decompose) the dead plant,, , animals complex compounds into the simpler one. Thus decomposeres help in the, replenishment, , forEg. TT To T3, Grass — Dear — Lion, A 3- Step Food Chain, , ¢ Food Chain : It is the sequence of living organisms in which one organism consumes, another organism for energy. It is unidirectional(single directional)., , Eagle Snake, , LZ rhe, , Mouse | Sparrow, Te ‘et, , e Ina food chain, various steps where transfer of energy takes place is called a trophic, level.