Q A cross-section of a dinosaur bone has lines like a tree’s growth rings. Which of the following can be determined from these lines?
- A Age
- B Gender
- C What it ate
A Age
The lines left in the bone are just like a tree’s growth rings. By counting the number of rings, scientists can determine the dinosaur’s age.
Find a Dinosaur 
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Pterodactylus- Classification
- Flying reptiles
- Characteristics
- Carnivorous
- Feathered
- Era
- Jurassic period
- Triceratops
- Classification
- Marginocephalia
- Characteristics
- Herbivorous
- Era
- Cretaceous period
- Avimimus
- Classification
- Theropods
- Characteristics
- Carnivorous
- Omnivorous
- Feathered
- Era
- Cretaceous period
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Rhomaleosaurus- Classification
- Marine reptiles
- Characteristics
- Carnivorous
- Era
- Jurassic period
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