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Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..

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This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..

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Sensory Systems

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

The process of photosynthesis
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Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..

Developmental Biology
Developmental Biology

Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..

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Amphibians & Early Reptiles

Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..