All animals must eat to survive . some eat plants . some eat animals and others eat both plants and animals . a food chain shows the relationship of each animal to the others .at the bottom of a food chain are the plant eaters . they are often prey animals . they are usually small animals like squirrels and rabbits . sometimes they are bigger animals like deer. animals higher on the food chain eat these animals . they might be owls , snakes , and raccoons.. then , bigger animals like bears and wolves eat these animals . finally , we reach the top of the food chain . the most dangerous animal of all is here: human!