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Adaptation Tutorial

Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..

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Independent Assortment and Crossing Over

This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..

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Genetic Control – On and Off Genes

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There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..

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Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..