Dinosaurs! Terrible Lizard The word dinosaur means terrible lizard! BIG and small. Scientists believe that dinosaurs lived on earth over 215 million years ago! There were many different species of dinosaurs. Some were as small as chickens, some were taller than 3 story buildings!
The word dinosaur means terrible lizard!
Triceratops was one kind of herbivore, or plant-eating dinosaur. Triceratops means “three-horned face.” Triceratops used their horns to defend themselves and their young.