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Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..

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Chromosome Mutations – II

This tutorial is a continuation of the first lesson on chromosomal mutation. Here, find out the chromosomal aberrations ..

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A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..

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Still Water Animals

Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..

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Vascular Plants: Ferns and Relatives

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

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The Human Nervous System

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