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There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..

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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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Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..

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Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..

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A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..

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Plant Water Regulation

Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..