Horse owners usually feed horses a mixture of grasses called "hay." Some owners also feed their horses oats or corn. Instead of other animals, horses eat mainly grasses and plants. So where do horses end up on the food chain? Although people sometimes say they're “hungry enough to eat a horse," surely there aren't any animals out there brave enough - or hungry enough - to actually eat a horse… or are there?īelieve it or not, horses are prey animals. Still others, such as humans, eat both meats and plants. Some animals - called "carnivores" - eat only meat, while others - called "herbivores" - eat only plants. Of course, many animals are a source of food for other animals, too. Plants are a source of food for many animals. ![]() Sunlight allows plants to make food and grow by photosynthesis. The series of predator- prey relationships in an ecosystem is called a " food chain." Usually, all food chains start with the sun, which provides light and heat. If a cow eats grass, the cow would be the predator, and the grass would be the prey. However, the same terms can be applied to animal-plant relationships. People usually use the terms predator and prey to refer to animals. If a lizard eats the spider, though, it becomes prey. For example, a spider hunting for insects is a predator. ![]() ![]() Of course, some animals can be considered both predators and prey. Those that are eaten or hunted are called " prey." Examples of prey animals include zebras, fish and rabbits. Those that do the eating or hunting are called "predators." Examples of common predators include lions, bears and foxes. It is a simple fact of life that some species eat others. In every ecosystem, there is a complex set of relationships between species.
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