An animal dies in mud, decomposes, and leaves an imprint, which is later filled by sediment to form a solid copy of
the original organism.
How is this fossil different from fossils of preserved remains?
3
Only hard tissue is preserved.
O Hard and soft tissues are preserved.
O Only soft tissue is preserved.
O There is little change to the preserved organism.
Only the soft tissue is preserved. Normally the hard tissues are preserved(bones). But since the bones decomposed and was later filled with sediment, only the soft tissue was actually left by the animal.