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This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..

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Freshwater Lentic Communities & Animals

This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..

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For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..

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Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..

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Meiosis and Alternation of Generations

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

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Fish

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