Geologic Time Answers

A fossil is the preserved remains of a living thing. Many fossils form in still water where build up. The parts of the organism decay. The parts, such as bone and teeth, remain.

A fossil is the preserved remains of a living thing. Many fossils form in still water where build up. The parts of the organism decay. The parts, such as bone and teeth, remain.

A fossil is the preserved remains of a living thing. Many fossils form in still water where build up. The parts of the organism decay. The parts, such as bone and teeth, remain.

If the same organism appears on two different continents, this is evidence of .

Fossils show how organisms change, or , over time.