Question

evidence of an organisms activity (burrow, nest, footprints, feces)
a. cast fossil
b. mold fossil
c. preserved fossil
d. trace fossil

Explanation:

• Cast fossil: Forms when a mold is filled with sediment or mineral deposits.
• Mold fossil: An impression left by an organism in sediment.
• Preserved fossil: The actual remains of an organism (e.g., insects in amber).
• Trace fossil: Evidence of an organism's activity (e.g., burrows, nests, footprints, feces).

Answer:

D. trace fossil