[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about the evolution of agriculture and how it has impacted human population growth. Includes a few questions to check for understanding.

Article discusses importance of Photosynthesis in terms of food, energy, and environment. Relates process to human needs.

An introduction to biomes and how agriculture is considered in studying large ecosystems of the world. Text is well written and easy to follow with links, charts, and pictures.

By studying nature's filters, young scholars learn about the importance of water quality for human health and agriculture.[4 min, 6 sec] Includes lesson plan and student handouts.

This site from the Agricultural Research Service cites a study that has found that Salmonella bacteria release a chemical that directly affects the growth of microorganisms. (January 27, 2000)