A person who regularly moves from place to place to survive.

• caveman

• vagrant

• nomad

• traveler

A complex society with an organized government, art, religion, and social class divisions

• neighborhood

• civilization

• municipality

• city

A scientist who studies prehistoric people, their artifacts and cultures 

• historian

• civilizationist

• paleontologist

• archeologist

any object made by a human being

• artifact

• tool

• evidence

• creation

words or pictures written or cut into a surface.

• poem

• inscription

• text

• message

an object or place made to remember a person or event.

• museum

• statue

• monument

• tomb

tame plants and animals, create a constant supply of food

• domesticate

• irrigate

• surplus

• specialize

• trade

get water to crops

• domisticate

• irrigate

• surplus

• specialize

• trade

extra supply, to have more than you need

• domesticate

• irrigate

• surplus

• specialize

• trade

become an expert at one job

• domesticate

• irrigate

• surplus

• specialize

• trade