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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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Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..

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Still Water Community Plants

This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize your..

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This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

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The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..

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This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..