Earth environment and systems
Terms
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- 5 themes of geography
-
-location
-sense of place
-human environmental relationships
-movement
-region - essentails of a good map
-
-title
-date
-scale
-legend
-direction - 3.5 billion years ago...
- life evolved (bacteria)
- batholith
- largest intrusion, solidified magma (granite) w/in the Earth's surface
- earthquake
- release of pressure w/in the Earth
- largest continents
- Eurasia, Africa, N.America, S, America, Antartica, India, Greenland
- Pangea
- the once "Super" continent
- continental drift
- land masses shift over history (Alfred Wagner)
- Pleistocene
-
era-3million-10,000 (B.P.)
"ice-age" - Holocene
- present era
- 6 kinds of climates
-
-tropical
-arid
-subtropical
-continental
-tundra
-highland - 2.5 million years ago...
- -early froms of human species
- Donald Johansen
- Discovered "Lucy"
- a more recognizable from of homo sapian was discovered
- 100,000 years ago
- 4 steps-cultural revolution
-
-agricultural
-urbanization
-industrialization
-information - global population estimate
- 6.4 bilion
- U.S. population estimate
- 290 million
- CA population estimate
- 34 million
- O.C. population estimate
- 3 million