This photograph shows a mold fossil. How is a mold fossil different from a cast fossil?
1 point
A cast fossil is a depression in rock or soil made by the hard parts of organisms. A mold fossil is a cast fossil that becomes filled in with minerals in the shape of the cast.
A mold fossil is a depression in rock or soil made by the hard parts of organisms. A cast fossil is a mold fossil that becomes filled in with minerals in the shape of the mold.