Early humans Crossword

What is a ice age? Long periods of extreme ________
What period did people start to domesticate plants and animals for human use?
What do you call an animal that walks on two feet and stands upright?
A nickname to the Paleolithic period is; The ____ Stone Age
A nickname to the Neolithic period is ; The ____ Stone Age
What was the most important revolution in human history? _______ revolution.
What was it called when people had extra goods and traded it?
What age was it at 4000 BC ?
What was it called when people could do the jobs they where good at?
Bronze was the result of mixing tin and _______ .
100,000 years ago _________ left Africa.
When did history begin? When people began to ______.
Scientists who study how humans related to one another and how the human body developed are called what?
What are people that hunt and gather food called? _______ -gatherers
What are preserved remains of plant and animals called?