Think about your answer, then reveal below.
Model answer: Humans are omnivores because we eat both plants (like fruits, vegetables, and grains) and animals (like chicken, fish, and eggs).
Look at your own teeth: you have sharp front teeth for biting and flat back teeth for grinding. That is a mix of both carnivore and herbivore teeth, which makes sense because we eat both plants and meat. Being an omnivore means we can get energy from many different food sources.