What information can fossils provide to our understanding of biology?

Question

Fossil Fish - Fossil Butte National Monument (U.S. National Park Service)

a
Fossils can be used to determine all causes of extinction.
b
Fossils can be used to verify common ancestry.
c
Fossils can be used to provide an exact timeline of organisms.
d
Fossils can be used to predict future environmental conditions.

Answer 1

e
Fossils can provide information about the evolution of different species and how they have adapted to their environment over time.
f
Fossils can help scientists understand how certain species have evolved and changed anatomically and behaviorally.
g
Fossils can provide evidence of past ecosystems and the interactions between different species.
h
Fossils can help scientists understand the biogeography of different species and how they have dispersed and migrated to different regions.