Fossils that are not the actual organism but evidence of that organism's existence.

• index fossils
• trace fossils 
• altered hard parts
• original preservation

Which of the following is a condition that will preserved remains?

• amber
• frozen in permafrost
• tar
• all of these are correct

What are fossilized feces called?

• coprolites
• index fossils
• gastroliths
• amber

What are smooth stones that dinosaurs swallowed to help digestion?

• coprolites
• index fossils
• gastroliths
• amber

What is hardened tree sap called?

• coprolites
• index fossils
• gastroliths
• amber

Fossils that haven't changed over time, all tissues are still intact.  

• index fossils
• trace fossils 
• petrified fossils
• preserved remains

Which of the following is an example of a trace fossil?

• petrified wood
• index fossils
• gastroliths
• amber

Which of the following is an example of a trace fossil?

• coprolites
• index fossils
• petrified wood
• amber

Fossils that are modified bone, wood or shell. 

• preserved remains
• petrified fossils
• index fossils
• trace fossils

The hollowed out impression in a rock that is the same shape as a shell. 

• cast
• mold
• trace fossil 
• index fossil