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Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..

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While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..

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

Origins of Life on Earth
Origins of Life on Earth

Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..

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Abiotic Factors – Water Conditions

A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..

Physiological Homeostasis
Physiological Homeostasis

Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..