Why are fossils important in the study of evolution?

Related questions

1. What is the fastest evolving species?
2. When did humans leave Africa?
3. How did humans evolve from apes?
4. What are the uses of evolution?
5. When did humans appear on Earth?
6. How old is human life?
7. What evidence supports Darwin's ideas of evolution?
8. How does comparative embryology provide evidence for evolution?
9. What is the primary driver of evolution?
10. Why is evolution interesting?

Tags

1. #living
2. #remains
3. #earth
4. #belong
5. #three
6. #concepts
7. #represent
8. #species
9. #study
10. #organisms
11. #fossils
12. #anywhere
13. #longer
14. #important
15. #extinct