Final answer:
The duck-billed dinosaur, or hadrosaur, had specialized teeth called dental batteries which helped it grind tough plant material.
Step-by-step explanation:
The duck-billed dinosaur, also known as the hadrosaur or Edmontosaurus, had specialized teeth called dental batteries. These teeth were arranged in rows in the upper and lower jaws and were used to grind tough plant material. The dental batteries allowed the dinosaur to efficiently chew and process its food.
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