Fossils Flashcards
1
Q
What are fossils?
A
Fossils are the remains of a plant/animal that lived a long time ago. The remains are preserved by a natural process called fossilisation.
2
Q
What do fossils help us understand?
A
How long life has lived on Earth
How plants and animals could be related to each other
How and where they lived
3
Q
How do fossils form?
A
An animal dies and falls into mud or sand
More mud and sand fall and bury the body
Bacteria slowly breaks down the soft parts of the body
Starts to become rock
More mud and sand fall ontop
Soft mud or sand erodes away
Hundreds of years later the fossil is exposed