Early Humans Crossword Puzzle

QUESTIONS LIST:

• mesolithic era : middle stone age
• archaeologist : a scientist who studies prehistoric people
• agriculture : the process of farming
• ice age : time period in which huge ice glaciers cover the earth's surface
• hominid : early ancestor of humans
• neolithic era : new stone age
• paleolithic era : the old stone age
• hunter gatherers : early humans who hunt animals and gather wild plants
• nomad : early humans who move from place to place
• land bridge : a strip of land connecting two continents