Bamboo spine

Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..

Geological periods is a study guide that cites the different geological periods on Earth's timeline. Each has a brief ov..

Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..

This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..

This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..

Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..

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