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Unformatted text preview: Supplemental Instruction Exam 3 Review Ecology Subfields of Ecology 1. Organismal : Physiological, behavioral, and morphological adaptations of organisms to the biotic and abiotic environment 2. Population : Growth and regulation of population size 3. Community : Interactions among populations that affect community structure 4. Ecosystem : Energy flow and chemical cycling between biotic and abiotic components 5. Landscape : exchanges among patches or ecosystems of a landscape or seascape Factors that may limit the geographic distribution of a species: 1. Dispersal : an area may be beyond the dispersal ability of a species 2. Behavior & Habitat Selection : Insect larvae may be able to feed on more plants, but females oviposit on a single type of plant 3. Biotic factors : the presence of predators or competitors may restrict a species range 4. Abiotic factors: climate (sunlight, water, temperature, wind) may determine whether a species can inhabit an area Aquatic Biomes Biome Oxygen Level Nutrient Content Productivity Oligotrophic lake +-- Eutrophic lake- + + Headwater of stream +-- Turbid river- +- Estuary + + + Supplemental Instruction Exam 3 Review Terrestrial Biomes Location Climate Vegetation Characteristic organisms Misc. Chaparral Along coastlines in midlatitudes Cool, rainy winters Hot, dry summers Evergreen shrubs & small trees Birds and reptiles Maintained by periodic fires Deserts Equatorial...
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