The view of humans as omnivores is supported by the evidence that both a pure animal and a pure vegetable diet can lead to deficiency diseases in humans.
Dogs (again not only domestic dogs, though it is debated whether they are carnivores or omnivores, but wild dogs such as coyotes and wolves etc.)
Hyenas and other scavengers
Weasels
Some skunks
Polar Bears ...
Consumers are herbivores, carnivores and omnivores
Decomposers are detritivores and saprophytes
Break down dead complex organic molecules into simple inorganic molecules ...
Consumer level in most food chains (herbivores,carnivores,omnivores).
Food source, beasts of burden and transportation, recreation, and companionship.
Omnivores, the feeding method used by humans, feed on both plants and animals. Decomposers are organisms, mostly bacteria and fungi that recycle nutrients from decaying organic material.
 See also: Plant, Animal, Environment, Species, Herbivore
  
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