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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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Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..

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Human Perception – Neurology

This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..

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Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..

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The Homo Species

The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..

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Developmental Biology

Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..