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Indicator Species and Endangered Species

Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..

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Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..

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Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....

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Types and Causes of Brain Damage

This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..

Crossing Over and Genetic Diversity
Inheritance and Probability

Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..

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