1/18 Fossil Flashbacks

Which statement is true about fossils?

• Fossils can tell us what animals looked like millions of years ago.

• Fossils are never organisms that lived in the sea.

• Fossils found today are always terrestrial fossils.

• Fossils can tell us how animals become extinct.

Observing the mouth structures of fossils allows scientists to make inferences

about the way ____________.

• they died

• they ate

• they lived

• they slept

The discovery of a fossil fern leaf means that the environment in that area

was most likely a __________ millions of years ago.

• lake

• desert

• swamp

• tundra