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Clues from Fossils.

Fossils are called “keys to the ageplantspastdistanceSelect your answer” because they provide clues. If a dinosaur had peg-like or flat teeth, it probably ate stomachplantsmeatfootprintsSelect your answer. Dinosaurs with strong jaws ate stomachfootprintsmeatplantsSelect your answer. Studying the fossilized footprintsstomachplantsageSelect your answer contents can tell what the animal ate. Fossils of footprintsplantsmeatageSelect your answer can show how many legs an animal walked on. Scientists can learn if an animal was walking or running by studying the distanceageplantsstomachSelect your answer between footprints. In addition, similar fossils of different sizes can tell how agepastolddistanceSelect your answer an organism was. Tree rings in petrified wood tell the distancepastagefootprintsSelect your answer of fossil trees.