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Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..

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This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..

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Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..

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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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Still Water Community Plants

This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize your..