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which studies the interactions among organisms and between the organism and its physical (abiotic) environment. Ecology is basically concerned with four levels of biological organisation – organisms, populations, communities and biomes. In this chapter we explore ecology at organismic and population levels. 13.1 ORGANISM AND ITS ENVIRONMENT
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www.ncert.nic.in317 Alcohols, Phenols and Ethers Allylic and benzylic alcohols may be primary, secondary or tertiary. (ii) Compounds containing C OHsp2 − bond: These alcohols contain —OH group bonded to a carbon-carbon double bond i.e., to a
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www.ncert.nic.inForeword What is ‘Education’? What is its primary purpose, and what is not? Which approaches support it, and at which levels of cognition? So many basic questions that many of our ‘trained
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