system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How does a scientist look at the skeleton of a dinosaur and definitively say "that ate meat"?
gpt
You can look at the type of teeth they had and extrapolate what they are. If they have flat teeth they ate plants (cows, deer). If they have pointy, sharp teeth, they ate meat (dogs, sharks). If they have booth, they are omnivores (humans)