Question

what can we inference about fossils ?????

Answer 1

We only know about extinct groups like dinosaurs, ammonites and trilobites through fossils. Some animals and plant are only known to us as fossils. By studying the fossil record we can tell how long life has existed on Earth, and how different plants and animals are related to each other.

Answer 2

They are extremely old. For the bones of an animal to become fossils they have to be underground for a very long time, as well as be under great amounts of pressure.

Hope this helps!