Organisms that generate their own energy. Also known as producers.

Communities of plants and animals living together under the same environmental conditions

Process by which hydrogen sulfide is processed for energy; similar to photosynthesis.

Food chain: Diagram that shows which organisms eat each other.

Food web: Diagram that shows how organisms relate to one another in complex ways; shows how energy moves through all of the organisms in an ecosystem.

Heterotrophs: Organisms that consume other organisms for energy. Also known as consumers.

Photosynthesis: Process by which plants and a few types of single-celled organisms use energy from the sun to transform carbon dioxide and water into a storable form of energy.
Last modified: Monday, 31 October 2011, 5:44 PM