Evolutionary Biogeography - Evolutionary Biogeography •...

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Evolutionary Biogeography
What is Biogeography?Geographic distribution of organisms.Describe and understand patterns.Interprets aspects of both ecology andevolutionary biology.
Why is it important?Need to understand a species’ ecologicalrequirements.BioticAbiotic
Questions explored in this chapter:How did a species come to occupy its presentrange?How have geological events shapedistribution?Why are some closely related speciesconfined and others widely separated?
Ecological Factors Affecting Distributionsof Marine MammalsWater temperaturePatterns of food distributionOther factors discussed in later chapters:BuoyancyResistanceOsmotic challengesHeat loss
Sea ice forms in polar and subpolar zonesand reaches maximum extent in winter.

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Term
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Professor
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Tags
Ecology, Evolution, sea ice, Pinniped, Phytoplankton, primary production, polar bear

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