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The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..

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

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Still Freshwater & Plants

Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..

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This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..

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The Human Physiology

Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..

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Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..