Environmental Science 15th Edition by Scott Spoolman,Tyler Miller

Exercise 16

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