Fossils lesson 1

Which is the preserved evidence of the activity of an organism?

• Fossil record

• mold

• cast

• trace fossil

Which refers to the impression

of an organism in a rock?

• mold

• cast

• trace fossil

• fossil record

Which term describes the collection of all the fossils ever discovered on Earth?

• Fossil

• mold

• fossil record

• cast

Which is a fossil copy of an organism in a rock?

• cast

• mold

• trace fossil

• complete body fossil

Which term describes what happens when the last individual organism of a species dies?

• extinction

• mass extinction

• adaptation

• evolution

........................are the remains or traces of ancient life that have been preserved by natural processes

• fossil records

• fossil dating

• mineralization

• fossils

The process by which the organism’s components are replaced by water-soluble minerals is called...............................

• carbonization

• mineralization

• fossil records

• extinction

This fossil was ...........

• mineralized

• carbonized

Instead of dating fossils directly, scientists date the rocks the fossils are embedded inside

• True

• false

Rocks on the top are older than rocks at the bottom .

• True

• False