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There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..

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

Biological Cell Defense
Biological Cell Defense

Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..

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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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Kidneys and Regulation of Water and Inorganic Ions

The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..