Consumers SUN (Organisms that eat tertiary consumers) (Organisms that eat secondary consumers) (Organisms that eat primary consumers) (Organisms that eat producers) (They make their own food and do not eat) WORD BANK: Quaternary | Heterotrophs | Autotrophs | Tertiary | Secondary | Primary | Producers | Algae | Phytoplankton | Plants | Insects | Bacteria | Fungi | Nuts | Seeds | Sparrow Decomposers | Herbivores | Carnivores | Humans | Mouse | Lion | Eagle | Fish | Fruit | Vegetables | Rabbit | Snake | Frog | Cattle | Sheep | Lizard | Squirrel | Fox | Seal | Shark