1
Animals that eat primary consumers (carnivores-omnivores).
2
Animals that eat secondary consumers (predators).
3
Animals that eat producers (herbivores-omnivores).
4
Microorganisms and fungi that decompose the remains of dead animals and plants into minerals, which return to the soil to be used by producers.
5
Animals that eat the remains of dead animals (like hyenas, vultures or some insects).
6
Plants or algae that produce oxygen and food that animals need.
