trophic pyramid: Media

ecology

Videos

What is a trophic cascade?
Learn how small changes in the food pyramid can upend the ecosystem.
Video: Encyclopædia Britannica, Inc.
How an ecosystem works: Producers, herbivores, and carnivores
Understanding energy flow in ecosystems.
Video: Encyclopædia Britannica, Inc.

Images

ecosystem energy transfer
Figure 2: Transfer of energy through an ecosystem. At each trophic level only a small...
Encyclopædia Britannica, Inc.
trophic pyramid
Energy flow, heat loss, and the relative amount of biomass occurring at various trophic...
Encyclopædia Britannica, Inc.
trophic pyramid
Trophic pyramid, also called an energy pyramid, showing the progression of food energy....
Encyclopædia Britannica, Inc.
generalized aquatic food web
Figure 1: Generalized aquatic food web. Parasites, among the most diverse species...
Encyclopædia Britannica, Inc.