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The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..

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Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..

Control of body movement
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 ..

Gene Pool and Speciation
The Gene Pool and Population Genetics

According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..

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Growth and Plant Hormones

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