Fossils (from Latin fossus, literally "having been dug up") are the mineralized or otherwise preserved remains or traces (such as footprints) of animals, plants, and other organisms. Using radiometric dating techniques, geologists have determined most fossils to be several thousands to several billions of years old. Fossils vary in size from microscopic, such as single cells, to gigantic, such as dinosaurs.
Fossilization is actually a rare occurrence because most components of... Read more Fossils Information