Trophic Levels

Basic Food Chain

Image food_chain

Basic Food Pyramid

Image foodchain-sharkers

Producers

Primary Consumers

Secondary Consumers

Tertiary Consumers

Omnivores

Detritivores

Decomposers

Food Web

Simplified Temperate Forest Food Web

Image food_web

Arctic Marine Food Web

Image marine_food_web

Brian M Napoletano 2011-09-12