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This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..

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Leaves are the major photosynthetic organ of a plant. Apart from that, they are also crucial to water movement. In this ..

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A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..

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Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..

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Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..

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Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..