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The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..

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Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..

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Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..

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