fossil – n. something (such as a leaf, skeleton, or footprint) that is from a plant or animal which lived in ancient times and that you can see in some rocks
carbon – n. a chemical element that is found in all living animals and plants.
flexible - adj. can easily bend
analysis - n. a careful study of something to learn about its parts, what they do, and how they are related to each other
bearing - n. a relation or connection