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12-8-2009- Ecology Test Review

12-8-2009- Ecology Test Review - Supplemental Instruction...

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Supplemental Instruction Exam 3 Review Ecology Subfields of Ecology 1. Organismal : 2. Population : 3. Community : 4. Ecosystem : 5. Landscape : Factors that may limit the geographic distribution of a species: 1. 2. 1
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Supplemental Instruction Exam 3 Review 3. 4. Aquatic Biomes Biome Oxygen Level Nutrient Content Productivity Oligotrophic lake Eutrophic lake Headwater of stream Turbid river Estuary 2
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Supplemental Instruction Exam 3 Review Terrestrial Biomes Location Climate Vegetation Characteristic organisms Misc. Chaparral Deserts Savanna Coniferous Forest Temperate Forest Temperate Grassland Tropical Rain Forests 3
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Supplemental Instruction Exam 3 Review Tundra 4
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Supplemental Instruction Exam 3 Review Survivorship curves Type I : -Examples: Type II : -Examples: Type III : -Examples 5
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Supplemental Instruction Exam 3 Review Life history traits: 1. 2. 3. Semelparity : Iteroparity : Growth Models Exponential Growth: -Equation: 6
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Supplemental Instruction Exam 3 Review Logistic Growth: -Equation Selection Theories K-selection: R-selection: 7
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Supplemental Instruction Exam 3 Review Interspecific Interactions Interaction Examples +/+ +/0 -/- +/- +/- +/- +/- Mimicry Batesion mimicry : Mullerian mimicry : Community Structure Models: Competitive exclusion principle 8
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Supplemental Instruction Exam 3 Review Energetic hypothesis vs. Dynamic stability hypothesis Bottom-up model vs. Top-down (tropic cascade) model Nonequilibrium model Individualistic hypothesis vs. Integrated hypothesis 9
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Supplemental Instruction Exam 3 Review Rivet model vs. Redundancy model Ecosystem Ecology Part 1 ______________________________- all the biotic and abiotic factors. Examples: Energy Flow - What does en ergy st art as? - Energy _______________________ a nd m att er __________________________. - 2 Laws of Ther modyna mics o 1 st Law: Energy = o 2 nd Law implies energy transfer (is / is not) perfectly efficient - _____________________________ supplies e n ergy for the higher trophic levels - _____________________________ ar e responsible for d eco m position. Rates of d eco m position d ep end on: 1. 2. 3. Primary Production - _______________________________- the total a m ount of en ergy converted to che mical e n ergy by photosynthesis per unit tim e. - _______________________________- the a m ount of e n ergy stored that will be av ailable to consu m ers in the ecosyste m. - Equation that relat es the two ter ms above: - 4 m ajor limitations to primary production are: 1. Light Limitation- it is n e e d ed to drive _________________________. 2. Nutrient Limitation o What ar e two m ajor nutrients that ar e usu ally limited? 10
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Supplemental Instruction Exam 3 Review 3. Temperature 4. Precipitation- it is needed to drive _______________________.
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