Fossils
Texte du Storyboard
- Millions of years ago, some dinosaurs needed to kill other dinosaurs in order to survive. Like for example, a T-Rex hunting another dinosaur.
- Just give up already!
- Never!
- When a dinosaur eats another dinosaur, its bones are left to hang and over time, the bones get buried by mud and sand.
- Tasty!
- Now this is where the law of superposition comes in play. The rock layer at the top is the youngest and the rock layer at the bottom is the oldest.
- Oldest
- Youngest
- As of today, most fossils are found in sedimentary rocks and most fossils are extinct organisms.
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