Something forcing people from their home
Push factor; Famine / drought
Something bringing people to a new area
Pull factor; recourses / opportunity
Millennium
1000 years
Era
A period of time
Epoch
An instant in time chosen as an origin for an era; invention of light bulb / invention of wheel
Earth developed around _____ to ______ years ago
4.5 to 7 billion
Around 4 billion years life developed on earth in the form of?
Cells
Adaptation
The ability to adjust to new conditions
The ______ explosion happened around 500 million years ago
Combien explosion
Sea creatures
Arthropods
Stone Age
Paleolithic
______ revolution 10000 years ago - end of last major ice age
Neolithic revolution
To bring water
Irrigation
Moving animals from one location to another
Pastoralism
Nile River valley
Egyptians
Mesopotamia - land between rivers
Tigris and Euphrates
Indus River valley
Mojenjo Doro and Harappa
Yellow River
Shang
Middle America
Olmecs
The first urban civilization developed in
Sumer
Periodic flooding
Fertilizes land but also destroys property and kills
History
The study of past events and practices
Prehistory
before writing
Agriculture revolution
Domestication of wheat lentils and peas and animals
Domestication
the process of changing plants or animals to make them more useful to humans
Holdings of land by kinship units
Lineages or clans
Rule by women
Matriarch
Hard volcanic rock used for tools weapons mirrors and ornaments
Obsidian