Transcription of C 2 IOLOGICAL CLASSIFICATION - NCERT
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C 2 IOLOGICAL CLASSIFICATION - NCERT
16 BIOLOGYS ince the dawn of civilisation, there have been many attempts to classifyliving organisms. It was done instinctively not using criteria that werescientific but borne out of a need to use organisms for our own use forfood, shelter and clothing. Aristotle was the earliest to attempt a morescientific basis for CLASSIFICATION . He used simple morphological charactersto classify plants into trees, shrubs and herbs. He also divided animalsinto two groups, those which had red blood and those that did Linnaeus' time a Two Kingdom system of CLASSIFICATION withPlantae and Animalia kingdoms was developed that included all plantsand animals respectively.
the blue green algae with other groups which were eukaryotic. It also grouped together the unicellular organisms and the multicellular ones, say, ... nitrates, nitrites and ammonia and use the released energy for their ATP production. They play a great role in recycling nutrients like nitrogen, phosphorous,
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