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This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..

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With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..

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Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..

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A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..