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This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..

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Mātauranga Māori is the living knowledge system of the indigenous people of New Zealand, including the relationships t..

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Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..

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The Evolutionary Development of Multicellular Organisms

Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..

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Darwin and Natural Selection

This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..