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Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..

Genetics – Lesson Outline & Worksheets
Genetics – Lesson Outline & Worksheets

  Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics – Definition: Heredity and ..

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Movement of Molecules Across Cell Membranes

Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..

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Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..

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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 Human Nervous System

The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..