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Animal Behavior, Population Ecology and the Biosphere (Innate to Learned…
Animal Behavior, Population Ecology and the Biosphere
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Terrestrial Biomes
Tropical Forest
Location: equatorial and subequatorial regions
Temp: high year round
Rainfall constant in tropical rain forests
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Chaparral
Location: midlatitude coastal regions (chaparral in NA, matorral in Spain and Chile, garigue and maquis in S France)
Temp: Fall, Winter, Spring are cool 10-12 degrees C. Summer can reach 30 degree C.
Temperate Grassland
Location: veldts of S Africa, pampas or Argentina and Uruguay, plains and prairies of Central North America
Temp: cold Winters, hot Summers
Seasonal rain falls
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Tundra
Location: areas of the Arctic
Temp: cold Winters avg temp -30 degree C, Summer temp less than 10 degree C
High winds and low temperatures
Aquatic Biomes
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Wetlands
habitat that is inundated by water at least some of the time
some wetlands are inundated and others flood frequently
blend of fresh water and salt water
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Intertidal Zones
periodically submerged and exposed by the tides, twice daily
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Coral Reefs
formed from calcium carbonate skeletons of coral
shallow reef building corals live in photic zone
very diverse life forms
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Dispersion Patterns
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Clumped - large group where resources are most abundant; humans, ant hills
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II - (linear line) bug populations, rabbits, squirrels
III - (bottom line) frogs, insects with larvae
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Population Size
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Logistic flattens, exponential doesn't exist
Not linear when people have kids, adding to growth rate
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r > 0 --> population increases
r < 0 --> population decreases
r = 0 --> constant population size
r for humans = 1.1% to 2%
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