Submitted by admin on Fri, 04/18/2014 - 16:06
definition:
The process of remains becoming fossils
sentence:
Fossilization usually occurs in organisms with hard, bony body parts, such as skeletons, teeth, or shells. Soft-bodied organisms, such as worms, are rarely fossilized.
difficulty:
medium
toefl frequency:
1
toefl classification: