We can learn about new plants and animals. Fossils help researchers learn about plants and animals that became extinct a long time ago. We also can identify how long ago the animal died, how it died, and where it died. By keeping a fossil record we know how long life has been on earth.Fossils also help scientists understand how people of the past lived. The fossils of human remains and of plants and animals can help us better understand. We can find out how those people of the past died, and when they died.