Complex sentence: It was a small herbivore, about 4 feet (1.2 meters) in length, and like all ornithischians, it had a beak-like structure on the ends of both upper and lower jaws to help it crop plant material.
Split into simpler sentences: It was a small herbivore, about 4 feet (1.2 meters) in length. Like all ornithischians, it had a beak-like structure on the ends of both upper and lower jaws to help it crop plant material.