An omnivore is an organism that eats plants and animals. The term stems from the Latin words omnis, meaning “all or everything,” and vorare, meaning “to devour or eat.”Omnivores generally occupy the third trophic level alongside meat-eating carnivores.

Many omnivores, such as humans, have a mixture of sharp teeth (for ripping through muscle tissue) and flat molars (for grinding plant matter). However, some omnivores, like chickens, have no teeth and swallow their food whole.