Although these words sound scientific, they are commonly used to describe animal families or behavior.
Herbivores are animals, such as deer, who eat plants.
Carnivores are flesh-eating animals, like lions. Omnivores , such as bears and humans, eat both meat and plants. Invertebrates are animals without backbones, such as worms and insects. Vertebrates are animals with backbones. Reptiles, amphibians, birds, and mammals are all vertebrates.