We looked at pictures of carnivores (meat eaters) and herbivores (plant eaters) and we discovered that they had different body parts.
A carnivore has sharp teeth, usually stands on two legs so it can run fast and often has sharp claws to catch it's prey.
A herbivore has bumpy teeth for grinding plants, walks on four legs and has a big stomach to fit all that food in.
Here are some pictures of carnivores and herbivores and what they eat.