fossilThe remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
Definitions:
Ancient organism's preserved remains or impression in solid form in a rock.
evolutionThe process by which different kinds of living organisms are thought to have developed and diversified from earlier forms.
Definitions:
The developmental process by which various forms of living organisms originated and diversified from earlier forms.
anatomyThe study of the structure of living things.
Definitions:
A scientific study related to the structure of living organisms.
paleontologistA scientist who specializes in the study of ancient life as evidenced by fossils.
Definitions:
A specialist in the field who studies the history of life on Earth through the fossil record.