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A balanced diet is essential to a healthy organism. Insufficiency or too much of a particular element or compound, such ..

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Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..

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Examples of Natural Selection

Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..

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Physical Development in Humans

This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..

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Sigmund Freud and Carl Gustav Jung

In this tutorial, the works of Carl Gustav Jung and Sigmund Freud are described. Both of them actively pursued the way h..