Chapter 12 Marine Life and the Marine Environment
According to the book, what is a good working definition of life?
What does evolution mean? How does it operate?
Evolution means change
Operates by natural selection-well adopted, more reproductive succe
Characteristics of the Earth's AtmosphereThe atmosphere is composed
primarily of gases, mostly of nitrogen(78%) and oxygen (21%)The atmosphere
behaves physically like a fluidThe atmosphere is more the 200km thickMore then
half the mass of the atmosphere l
History of Oceanography
Ancient Uses of the OceansEgyptian and Mesopotamian Cultures and early trade
(~3200 BC)Minoans as the first true maritime power (~2000 BC-1200 BC)
Phoenician and Greek colonization of the Mediterranean (~1200 BC - 400 BC)
Driving Forces of Surface Ocean CirculationPrevailing winds make waves and
wind drift currentsCoriolis Force causes currents to deflect clockwise or counterclockwise and develop Ekman spiralsContinental margins deflect and guide
Surface Ocean Cur
Key Questions for Geological Oceanography
What is the structure (size, shape) of each of the major ocean basins?
How did these basins form?
Do (& did) these ocean basins changes their structure?
Measuring the Size and Shape of the Earth's Ocean Basins