恐竜クイズ

Q Which feature of Jianchangosaurus suggests that it was adapted to eating plants?

  • A It had a toothless beak at the tip of its upper jaw and closely packed teeth farther back, suited for processing plants
  • B It had no teeth and possessed a giant beak for crushing hard prey
  • C All its teeth were large fangs specialized for tearing flesh

A It had a toothless beak at the tip of its upper jaw and closely packed teeth farther back, suited for processing plants

Jianchangosaurus had a toothless, beak-like tip at the front of its upper jaw, while both its upper and lower jaws were lined with densely packed teeth.
These features may have been adaptations for efficiently cutting and gathering plant material.

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