Botany

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Botany, also called plant science, is the branch of natural science and biology that studies the growth, reproduction and evolution of plants over the last 3.5 billion years of life on earth. As with all areas of biology and medicine, plants can be studied at range of levels from their biochemistry, molecular biology, cell biology and genetics to their ecology, pathology, anatomy, morphology and taxonomy. A botanist or plant scientist is a scientist who specialises in this field. Plants can be defined in multiple ways including approximately 410,000 species of land plants, and some 391,000 species of vascular plants, of which approximately 369,000 are flowering plants and approximately 20,000 bryophytes. Botany originated from prehistoric herbalism to identify and cultivate plants that were edible, poisonous, and medicinal, making it one of the first endeavours of human investigation. Medieval physic gardens, often attached to monasteries, contained plants that possibly had medicinal benefits...

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