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This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..

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Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..

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ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..

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The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..

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