What is the trace or implant that is left by a plant or an animal that has been preserved in rock?

The trace or imprint left by a plant or animal preserved in rock is known as a fossil. Fossils can take various forms, including the actual remains of the organism, such as bones or shells, or imprints like footprints or leaf impressions. They provide valuable insights into the history of life on Earth, showcasing evolution and past ecosystems. Fossils are typically formed through sedimentation and mineralization processes over millions of years.