MODULE 2 - foraging maximizes food source but reduces the...

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MODULE 2-ECOLOGY What is ecology? The scientific study of the relation of plants and living organisms to each other and their surroundings What factors determine population distribution? Abiotic factors pH Salanity levels Water levels Temperature/ Climate Biotic factors: Predation Habitat selection behavior Living things have a selection for their habitat that is easy to survive and thrive best. What is behavior? An organism’s reaction to stimulus (an action due a change in the environment). Subject to natural selection Foraging Pay off in attaining a particular resource. Optimal
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Unformatted text preview: foraging maximizes food source but reduces the risk of being fed on. Mate choice Ultimate vs. proximate causation? Fixed action pattern vs. oriented movement? What is altruism? An organism sacrifice’s itself or part of itself for the benefit of the entire population. Hamilton’s rule What is population? A single biological species living in one area. What changes population density? Number of individuals living per unit area. Birth Immigration Emigration Death Survivorship curves of a population...
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This note was uploaded on 10/14/2010 for the course BIO 1510 taught by Professor Unknown during the Fall '07 term at Georgia Tech.

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MODULE 2 - foraging maximizes food source but reduces the...

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