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Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..

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The Origins of Life

This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..

Community Patterns

Learn about community patterns and the ecological factors influencing these patterns. Revisit some of the ecosystems you..

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Passive and Active Types of Immunity

Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..

Adaptation Tutorial
Adaptation Tutorial

Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..

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Muscle

Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..