Producers - Carry out photosynthesis and make food

Consumer - Feed on other organisms for energy

Herbivores - Specific consumer that eats only plants
Example: alewife, water penny, aquatic worm

Carnivores - Specific consumer that eats only other animals
Example: smallmouth bass, bluegill, sculpin, hellgramite

Omnivore - Specific consumer that eats both plants and other animals
Example: cranefly, dragonfly, mayfly, shiner

Dietriatovores - eat organic matter
Example: crayfish

Parasites - one benefits, one does not
Example: leech

Decomposers: Feed on nonliving organic material
Example: bacteria, fungi