What is a trace fossil and what can be learned from them?
A trace fossil is an impression made by an organism not the organism itself
Examples of trace fossils are foot prints, impression of leaves on soil, tubes left by worms, Any evidence of the existence of living things is a trace fossil.
An unusable example of a trace fossil was a spark plug I found fossilized in the strata of Sunset Bay Oregon. The spark plug is evidence of a living thing a human.
Trace fossils give clues of how living things lived in the past.