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Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..

complete-dominance
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This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..

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Psychiatry & Mental Disorders

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

Evolution of Life - Ancient Earth
Evolution of Life – Ancient Earth

Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..

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Abiotic Factors – Water Conditions

A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..

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Hormone Production

Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..