The word ‘biology’ is derived from two Greek words: (1) bios, ‘life’ and (2) logos, ‘word’. It thus means, literally, the word about life, but in actual usage it means the study of, or knowledge about, life or living things. Biology has a very wide remit, dealing with aspects of living organisms that range from molecular to environmental. Biology has interfaces with several other disciplines including chemistry (in biochemistry), physics (in biophysics), geography (in ecology), and geology (in both paleobiology and ecology). Further, not only is biology a very broad discipline, it also has a very wide range of applications. Different aspects of biological knowledge have applications in several fields, including medicine, veterinary medicine, agriculture, horticulture, biotechnology, criminology (via forensic science), and design (the latter ...

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