Why do soybean plants that are planted weeks apart in the spring mature simultaneously in the fall? Four independent activities cover the history of phytochrome research, scientist collaboration, the electromagnetic spectrum, and...

The ecology and natural history of plants that live at the expense of other organisms is described in detail at this site from the Palomar College. Great material for a report or presentation.

In this lesson you will learn to understand better the different plants in your environment, its characteristics and its presence in our daily lives. Learn how important the plants are for the survival of all ecosystems in the world and...

A concise reference highlighting the specialized parts of plants and the jobs they do.

Learn about the basic parts of a plant and their jobs.