Fossils Flashcards
1
Q
What are Preserved Organisms?
A
When a creature becomes caught in a object which preserves its structure.
2
Q
What is Mineral Replacement?
A
The process a animal’s dead body goes through after dying to turn into a fossil.
3
Q
What are Impression Fossils?
A
When something makes a mark on the ground which survives as an imprint.
4
Q
What is Extinction?
A
When no individuals of a species remain.
5
Q
What are the 5 main causes of extinction?
A
- Environment changes quickly
- A new Predator.
- A new disease.
- Competition with a new species for food.
- A catastrophic event.
