Old Stone Age when people made tools from stones and were hunters and gatherers
Middle Stone Age
Most recent period of the Stone Age
Man learns to farm
remains of something that was once living
remains of things that were man-made
family of mankind and his/her relatives
moving on two legs in an upright manner
people who moved from place to place in search of food
group of related families who cooperated for a common purpose
food, clothing, shelter
movement from one place to another, usually refers to a long trip by a group
any period of time during which glaciers covered a large part of the earth's surface
large, thick body of slowly moving ice
a large, flat plain without trees in the arctic regions
division of labor
a system in which the members of a group do different tasks according to their abilities and the group's needs
part person plays in the band such as a hunter
the time before written records
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