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New Zealand is known for its unique biodiversity, caused by its remarkable geography and geologic history. Breaking away..

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IQ, Creativity and Learning

Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..

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Passive and Active Types of Immunity

Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..

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The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..

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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..