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

Regulation of Biological Systems
Regulation of Biological Systems

Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population l..

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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The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..

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Insects

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

Biological Energy
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ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..