Answer:Body, Trace, and Chemical Bones
Explanation:
Fossils are remains of ancients organisms that are preserved. They are usually in rock form. This remain could be compressed after the decay of other body part, it indicates the existence of a particular organism at a time.
Fossil can be Body fossils : this include body structures suck as teeth, hand or any other body part that is not decayed.
Trace fossils are rock materials or substance that indicated the existence of an organism and Chemical Bones - Bones are specialized body structure, it also helps identify an organism existence and for record.
