Ch 50 - Chapter 50 Introduction to Ecology 0 Understand...

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Chapter 50 - Introduction to Ecology 0. Understand what biotic and abiotic factors limit distributions 1. Understand global climate and what determines rainfall patterns and distribution of biomes 2. Understand zonation and stratification of aquatic biomes, and ecological threats Definitions 0. Interactions of organisms and environment, and how interactions influence abundance and distribution 1. “Oikos” = house or home (study of home) 2. Both abiotic (physical) and biotic (biological) limiting factors 3. Hierarchial Science 0. Ecosystem = biotic + abiotic factors 1. Community = all populations in area (biotic aspects) 2. Population = same species 3. Individual/physiological ecology Figure 50.6 Flowchart of factors limiting geographic distribution Abiotic Factors 4. Temperature increases metabolism and water loss 5. Salinity (regulate or conform) 6. Solar radiation 4. shade tolerant (understory) and intolerant plants (overstory) 5. Photoperiod important for animals on circadian (24 hour) rhythm 7. Edaphic (soil) factors important for plants 8. Wind increases desiccation, convective heat loss Figure similar to 50.7
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Ch 50 - Chapter 50 Introduction to Ecology 0 Understand...

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