- chronology – the arrangement of events in time.
- bison – a hoofed animal of western North America, having a dark
brown coat, a shaggy mane, and curved horns, buffalo
- vegetation – the plants of an area or region
- fauna – the animals of a particular region or period
- occupation – the act or process of holding or possessing a place
- phase – a distinct stage of development
- aridity – the state of being dry, lacking moisture
- artifact – an object produced by human workmanship, like tools and weapons, with historical or archeological interest
- archeology – the systematic recovery and study of material evidence, such as graves, buildings, tools, and pottery, remaining from past human life and
culture
- mammoths – an extinct elephant once found throughout the Northern
Hemisphere
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