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Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..

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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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Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howev..

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Bryophytes are a plant group characterized by being nonvascular. They include the mosses, the liverworts, and the hornwo..