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30 Cards in this Set
- Front
- Back
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Ecology
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Study of interactions between organisms and the environment
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Biota
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All the organisms living in the environment
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Abiotic
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Nonliving components
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Biotic
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Living components
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Organismal Ecology
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Studies how an organisms structure, physiology, and (for animals) behavior MEET THE CHALLENGES POSED BY THE ENVIRONMENT
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Community Ecology
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The whole array of species interacting in a community
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Population Ecology
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Factors (competition, reprodutive decisions, behavior) that affect how many individuals of a particular species live in an area
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Ecosystem Ecology
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Emphasizes energy flow and chemical cycling among various biotic and abiotic components
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Biogeographic realms
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Nearctic
Palearctic Neotropical Australian Ethiopian Oriental |
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Nearctic
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North America minus Mexico
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Neotropical
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South America plus Mexico
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Ethiopian
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Africa minus Sahara desert
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Palearctic
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Asia, Europe, and Sahara Desert minus India and Indonesia
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Oriental
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India and Indonesia
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Australian
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Australia
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Dispersal
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Movement away from high pop. density or from area of origin
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Climate
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Prevailing weather conditions in a particular area
(A decade's average. Weather is day to day.) |
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Macroclimate
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Patterns on global, regional, and local level
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Microclimate
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Fine patterns
ex. What a community of organisms experiences under a log |
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Biomes (Terrestrial)
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Characterized by the grouping of plants that depend on climate
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Biomes (Aquatic)
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Characterized by physical environment
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Littoral Zone
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Area that light penetrates
Has seaweed, algae, etc. |
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Limnetic Zone
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Open area light can't reach bottom
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Photic Zone
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Light which allows for photosynthesis
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Aphotic Zone
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No light, so no photosynthesis
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Intertidal Zone
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Influence depends on whether its lake or ocean. With ocean, it's a harsh environment. Water to no water to water to no water...tides
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Estuaries
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Combination of ocean and river. Extremely productive, yet harsh.
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Pelagic Biome
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Open ocean
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Coral Reefs
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Special biome in littoral zone
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Biogeography
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Seeks to answer why species occur in some areas and not in others
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