Q What happened to the frill of Protoceratops as it grew?
- A It became smaller
- B It grew larger
- C It grew horns
B It grew larger
It appears that as a Protoceratops grew, its neck frill continued to expand and become increasingly larger.
Find a Dinosaur 
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Pteranodon- Classification
- Flying reptiles
- Characteristics
- Carnivorous
- Era
- Cretaceous period
- Dacentrurus
- Classification
- Thyreophora
- Characteristics
- Herbivorous
- Era
- Jurassic period
- Unaysaurus
- Classification
- Sauropods
- Characteristics
- Herbivorous
- Era
- Triassic period
- Pelecanimimus
- Classification
- Theropods
- Characteristics
- Carnivorous
- Era
- Cretaceous period
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