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Meet some of New Zealand's unique fauna, including endemic insects, frogs, reptiles, birds, and mammals, and investigate..

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The Human Physiology

Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..

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Control of Body Movement

Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..

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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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Darwin and Natural Selection

This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..