| A | B |
|---|
| scientists who study past human life by looking at prehistoric fossils and tools​ | archaeologists |
| family members who come after one has died | descendents |
| large, hairy, extinct elephants with tusks that curve upwards | mammoth |
| buffalo | bison |
| one of 7 large areas of land on the globe | continent |
| period in history when large sheets of ice up to two miles thick covered a large part of the earth | Ice Age |
| the period of time before recorded history | prehistoric |
| Paleo Indians | The first people of Illinois |
