Trophic Levels- The successive levels of organisms consuming one another.

Primary Consumers- Consumers that eat producers . AKA Herbivores.

Secondary Consumers- Carnivores that eat primary consumers.

Tertiary Consumers- Carnivores that  eat secondary consumers.

Consumers (Heterotrophs)- Eat other organisms.

Scavengers- Organisms that consume dead animals.

Detritivores- Organisms that specialize in breaking down dead tissues and waste products into smaller particles.

Decomposers- Fungi and bacteria that complete the breakdown process by converting organic matter into small elements and molecules that can be recycled back into the ecosystem.