31-IntroEcology-to-Populations

31-IntroEcology-to-Populations - Fact of the day ~90% of...

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Fact of the day ~90% of U.S. inhabitants will eat Turkey this T-day ~40 million Turkey will be eaten for the holiday. = 7 bil. lbs. = $3 bil ~ 20% of the cranberries for the year will be eaten this week with Turkey Selective breeding has led to Turkey with breast muscles so large the males have trouble mating. So modern Tbirds are almost entirely artificially inseminated http://www.marketplace.org/topics/life/freakonomics-radio/your-thanksgiving-turkey-probably-product-artificial-insemination
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Galaxies Ecology Physiology Cell Biology Biochemistry Solar system Earth Ecosystems Communities Populations Organisms Organs Tissues Cells Molecules Atoms Ecosystem Ecology Community Ecology Population Ecology Behavioral Ecology SCALE larger smaller Abiotic factors and cycles Scale of Life (as we know it)
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Four divisions of Ecology • Behavioral ecology • Population ecology • Community ecology • Ecosystems ecology
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Life History Strategies For example: Lifetime pattern of Growth • Determinate growth vs • Indeterminate growth
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Iteroparity – requires more energy, less efficient - “bet hedging” strategy, when environment is variable or unpredictable Semelparity – efficient, all energy committed to reproduction - risky if a bad season lies ahead
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This note was uploaded on 12/22/2011 for the course BIOLOGY 200 taught by Professor L during the Fall '11 term at SUNY Stony Brook.

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31-IntroEcology-to-Populations - Fact of the day ~90% of...

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