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New Zealand is known for its unique biodiversity, caused by its remarkable geography and geologic history. Breaking away..

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Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..

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The human body is capable of regulating growth and energy balance through various feedback mechanisms. Get to know the e..

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Population Growth and Survivorship

This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..

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The Dinosaurs

Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..