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Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..

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Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..

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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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Biological Cell Introduction

It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..

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Growth and Plant Hormones

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

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Still Freshwater & Plants

Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..