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Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..

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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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A Balanced Diet – Carbohydrates and Fat

Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..

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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..