ecosystem: Media
Videos
Understanding energy flow in ecosystems.
Video: Encyclopædia Britannica, Inc.
Explore the different types of organisms that form a forest ecosystem in this video.
Video: Encyclopædia Britannica, Inc.
Overview of how scientists measure biodiversity.
Video: Encyclopædia Britannica, Inc.
Soil forms through the weathering of rock and the action of organisms on organic...
Video: Created and produced by QA International. © QA International, 2010. All rights reserved. www.qa-international.com
Images
Tundra and lakes during summer in the Yamal Peninsula of Siberia, Russia. Tundra...
Bryan and Cherry Alexander
A food chain in the ocean begins with tiny one-celled organisms called diatoms. They...
Encyclopædia Britannica, Inc.
The terrestrial food chain featuring producers, consumers, and decomposers.
Encyclopædia Britannica, Inc.
A partial food web illustrating the network of feeding relationships in a North...
Encyclopædia Britannica, Inc./Patrick O'Neill Riley
An energy pyramid is a model that shows the flow of energy from one trophic level...
Encyclopædia Britannica, Inc.
Ways to measure biodiversity. Although examining counts of species is perhaps the...
Encyclopædia Britannica, Inc./Patrick O'Neill Riley
Figure 2: Transfer of energy through an ecosystem. At each trophic level only a small...
Encyclopædia Britannica, Inc.
A forest patch nested within a landscape mosaic.
Encyclopædia Britannica, Inc.
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