By controlling , early humans were able to eat a more varied, nutritious diet. Larger human settlements caused more equal, egalitarian societies to be replaced with a more structured .
Archaeologists use to determine the age of artifacts by measuring the radioactive decay of an artifact.
Humans migrated to the Americas across the land bridge named .
Despite the many positive developments, the Agricultural Revolution led to a rise in , since humans were living in close contact with more people and animals.
The first domesticated animal was the .
Respond to the following based on your reading.

The change from hunting and gathering to agriculture was one of the most important events in human history. What are the advantages and disadvantages of farming over hunting and gathering?
Describe the migration patterns Homo sapiens took out of Africa during the Pleistocene. What was the impact of those migrations?