trophic level: 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

trophic pyramid
Energy flow, heat loss, and the relative amount of biomass occurring at various trophic...
Encyclopædia Britannica, Inc.
ecosystem energy transfer
Figure 2: Transfer of energy through an ecosystem. At each trophic level only a small...
Encyclopædia Britannica, Inc.
energy pyramid
An energy pyramid is a model that shows the flow of energy from one trophic level...
Encyclopædia Britannica, Inc.