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Biology Review CH 4 Ecology
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List the levels of organization for the study of ecology (6) Species Population Community Ecosystem Biome Biosphere
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Another name for a producer? autotroph
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Another name for consumer? Heterotroph
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2 ways to be a producer Photosynthesis Chemosynthesis
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5 ways to be a consumer Carnivore Herbivore Omnivore Detritivore Decomposer
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Auto or hetero? Which type? Auto /chemo
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Auto or hetero? Which type? Auto/photo
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Auto or hetero? Which type? Hetero/herbivore
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Auto or hetero? Which type? (bacteria) Decomposer
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Auto or hetero? Which type? Hetero/omnivore
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Food web or food chain? Chain
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Food web or food chain? Web
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Biotic or abiotic? Abiotic
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Biotic or abiotic? Biotic
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Biotic or abiotic? Abiotic
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Biotic or Abiotic? Biotic
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Organic or inorganic? Inorganic
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Organic or Inorganic? Organic
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Organic or inorganic? Organic
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Organic or inorganic? Organic
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Organic or Inorganic? Organic
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Organic or Inorganic? Inorganic
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Only 10% of energy is transferred from 1 level to the next- what is this called? Energy Pyramid, 10% rule
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How much energy is lost as heat from one trophic level to the next? 90%
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Energy ___________ Nutrients ________ Flow, Cycle
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What does the term Biogeochemical mean? Biological, geological, and chemical cycles
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Diagram the water cycle on the board. Label all parts
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Diagram the carbon cycle. Label
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Whats actually moving in a food web or chain? Energy?
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The nutrient that limits this productivity is called the Limiting Nutrient Limiting nutrient
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Rate @ which producers create organic materials Primary Productivity
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What are the 3 main elements added to fertilizers Nitrogen, Phosphorus, Potassium
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Limiting nutrient in freshwater systems Phosphorus
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Limiting nutrient in salt water systems Nitrogen
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Difference between weather and climate Weather: daily, Climate: yearly
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What is the greenhouse effect? Diagram on board
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How much colder would the planet be without greenhouse gasses? 50* F
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List the 4 naturally occurring green house gasses? Water, nitric oxide, carbon dioxide, methane
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What are CFC’s? Manmade compounds that deplete ozone layer
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We now make HCFC’s. How are they different from CFC’s? HCFC’s are not causing ozone depletion but are greenhouse gasses
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3 ways heat is distributed across planet Ocean currents Wind patterns Latitude
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What is acid rain? Rain with low number of pH
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How is acid rain created? Sulfur dioxide and nitrous oxide become nitric acid and sulfuric acid in the environment
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What is competitive exclusion principle? No 2 species can share the same niche in same habitat; not enough resources
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a group of critters whose absence or presence will determine the health and productivity of an ecosystem Keystone species
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When 2 different species live closely together Symbiosis
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mutualism both benefit
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commensalism 1 benefits, the other is neither harmed nor benefited
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parasitism 1 benefits, the other is harmed
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