Hominid Lucy most likely walked the Earth _________________ years ago.

An example of a domesticated animal is _____________.

Hominids first migrated from ____________.

A hominid is _____________,

Early humans probably migrated from Asia to North America over a _______________.

___________ was the development that marks the beginning of the Neolithic Revolution.

The early humans used fire for ________________.

Early humans who ate wild animals and fruits and nuts are called _______.

Early humans adapted to a new, colder environment by_____________.

People learned to domesticate plants and animals during the___________.