Environmental Science 14th Edition by Tyler Miller ,Scott Spoolman

Exercise 20

What is a trophic level Distinguish among producers (autotrophs) , consumers (heterotrophs) , decomposers and detritus feeders (detritivores) , and give an example of each in an ecosystem. Distinguish among primary consumers (herbivores) , carnivores , secondary consumers , tertiary consumers , and omnivores , and give an example of each.