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Meiosis is a form of cell division that creates gametes. It is comprised of two divisions that in the end, the resulting..

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This tutorial describes the sigmoid curve, annual plant growth, tree growth, human growth, and insect growth as the grow..

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Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..

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This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..

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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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The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..

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