Front

Hunter-gatherer

Back

one who hunts animals and gathers plants for food

Front

Nomad

Back

people who move from place to place with no permanent home

Front

Domestication

Back

to train wild animals (and plants) to be useful to humans

Front

Agriculture

Back

farming, growing crops and raising animals

Front

Irrigation

Back

watering crops

Front

Specialization

Back

a skill in one kind of work

Front

Surplus

Back

having more than what you need

Front

Trade

Back

exchanging of goods and services

Front

Economic-based society

Back

goods and services are bought and sold (money)

Front

Technology

Back

anything that makes your life easier.