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With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..

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This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..

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In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..

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This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..