FOSSILS. I. What is a fossil?. A fossil is any evidence of past life preserved by natural processes. II. There are many different types of fossils. 1. Fossilized footprints, casts and imprints. Example 1: Human-like footprints.
No longer made of pure bone, this skull consists at least partially of minerals (rock). Very old specimens consist entirely of rock.Example 1:
At up to 100 feet in length the Megalodon is believed to be the largest predator to ever exist.
Example 3: “La Doncella” is the Inca girl who was almost perfectly preserved in ice on top of a volcano after being sacrificed 500 years ago.