Fossils provide us with only direct record of prehistoric life studying them can help determine what a past climate and environments certain spieces of plant can only live in certain temp.so when a palm tree fossil ends up in Antarctica scientist can infer that Antarctica was once more hot and it tropical
Fossils can tell us that our world was once all connected (Pangea)scientist can infer this by looking at the fossils of all the countries.land animal fossils that were found in South America are also found in Africa.what does this mean well they didn't swim across.south America and Africa had to have been once connected
It shows life has changed for example Minnesota there are fossils of plant life that sagest that Minnesota was once under water. well the fossil being a shark's