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

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Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..

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This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..

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Selective Breeding

Gregor Mendel's studies into Monohybrid and Dihybrid crossing and Charles Darwin's study of evolution and natural select..

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Lights’ Effect on Growth

This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..