Unit 7 Biodiversity
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sun is most concentrated near…
the equator
warm air _____. cool air _____.
rises, falls
as temp ______, water vapor ______.
increases, increases
hadley cell location
between equator and 30 degrees
hadley cell rotation
warm air rises, cools as it gets further from ground, falls as rain
ferrel cell location
between 30 and 60 degrees
ferrel cell rotation
falling air
polar cell location
between 60 degrees and a pole
polar cell rotation
moist air rises, cools, precipitates (snows)
coriolis effect
deflection of winds due to the rotations of the earth
coriolis effect in the northern hemisphere:
winds deflect to the right
coriolis effect in the southern hemisphere:
winds deflect to the left
air moves from _____ to ____ pressure.
high, low
which of the 3 cells moves in the opposite direction of the other 2?
ferrel cell
3 things climate is effected by:
seasonality, mountains, large bodies of water
rainshadow effect
vegetation and precipitation on windward side of a mountain, and desert on the leeward side
daily patterns for large bodies of water
causes cool air in daytime, warm air in nighttime
seasonal patterns for large bodies of water
absorbs heat in the summer, releases heat in the winter
gyres
massive ocean current cycles, circulations warm air
gyres move _____ in northern hemisphere, and _____ in the southern hemisphere.
clockwise, counterclockwise
biomes
contiguous areas defined by climate and geography
3 levels of biodiversity
genetic diversity, species diversity, ecosystem diversity
genetic diversity
variation of genes within a species
consequences of reduced genetic diversity
higher vulnerability to disease, lower ability to adapt to environmental change, increased risk of extinction, etc