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This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..

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This tutorial looks at the mutation at the gene level and the harm it may bring. Learn about single nucleotide polymorph..

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Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..

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Animal Growth Hormones

Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..

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Animal Water Regulation

Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..

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Plant Biology

Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..