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This tutorial describes the sigmoid curve, annual plant growth, tree growth, human growth, and insect growth as the grow..

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

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Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..

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

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Plant organs are comprised of tissues working together for a common function. The different types of plant tissues are m..

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