Question

This type of fossil forms from a mold. Small particles of mud, sand, and/or
minerals becomes packed into the open space of the mold in the shape of a
turtle shell and hardens. The result is a fossil that has the same exact shape
as the original turtle shell.

Answer 1

petrified mold fossil or cast fossil depending on the text that was taught... some questions are dependent on what words that were taught by the teacher...