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This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..

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This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..

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This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..

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Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..

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The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..

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Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..