More from this author. 1  Largest World Cities: 2014. 2  World Urban Areas Population and Density: A 2012 Update. 3  Largest Cities in the World: 2016. 4  Largest 1,000 Cities on Earth: World Urban Areas: 2015 Edition. 5  The Costs of Smart Growth Revisited: A 40 Year Perspective.
Definition of fossil. 1  1 : a remnant, impression, or trace of an organism of past geologic ages that has been preserved in the earth's crust â compare living fossil. 2  2a : a person whose views are outmoded : fogyb : something (such as a theory) that has become rigidly fixed.
Fossils are the remains of plants and animals found in rock. A fossil can be many things: a bone from a dinosaur, the tooth of a shark, a sea shell or a footprint.Fossils provide clues to what life was like in Minnesota in ancient times.They can tell us many things about the past.ossils are the remains of plants and animals found in rock. A fossil can be many things: a bone from a dinosaur, the tooth of a shark, a sea shell or a footprint.