Extremes of climate have been experienced at various points during the Earth's history.

1.   ?    True
2.   ?    False

Evidence of prehistoric life can be found only in the fossil record.

1.   ?    True
2.   ?    False

Mammoth bones were initially believed to belong to a much different creature.

1.   ?    True
2.   ?    False

Mammoth remains have been preserved particularly well in Siberia because of the natural climate there.

1.   ?    True
2.   ?    False

Mammoths were known to our ancestors.

1.   ?    True
2.   ?    False

The first discoveries of "Terror Birds" led people to believe they were extremely large.

1.   ?    True
2.   ?    False

Phorusrhacos was able to migrate because of continental drift.

1.   ?    True
2.   ?    False

Terror birds were hunted by dinosaurs.

1.   ?    True
2.   ?    False

Reconstructions and conclusions about prehistoric birds are more difficult to make.

1.   ?    True
2.   ?    False

Modern humans were first found in European areas about fifty thousand years ago.

1.   ?    True
2.   ?    False

Most of what is known about Cro-Magnons comes from their bones.

1.   ?    True
2.   ?    False