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25 Cards in this Set
- Front
- Back
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producer
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cyanobacteria, kelp, Sargassum
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decomposer
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bacteria
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consumer
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flounder, starfish
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incidental catch
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by-catch
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farming of commercial shellfish and finfish
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mariculture
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dolphin protection
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marine mammals act of 1992
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catch without reducing the population of target species
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maximum sustainable yield
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available biomass of target species
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standing stock
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in primary production
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there is a net gain in organic carbon
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most abundant marine macro algae are members of the division:
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rhodophyta
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Diatoms, important producers in the epipelagic open ocean, are members of the Division
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Chrysophyta
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The organism that is responsible for red tides and paralytic shellfish poisoning belongs to the Division
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Pyrrophyta
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Overproduction of organic matter resulting in anoxic conditions is attributed to
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eutrophication
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The relative productivity in the world's oceans from most productive to least productive is
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polar waters, temperate waters, tropical waters
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In temperate oceans during the winter months
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nutrient concentration is high, solar input is low, and water temperatures decrease
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In temperate oceans during the summer months
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nutrient concentrations are low, solar input is high, and oxygen solubility decreases
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An area of the open ocean where the rate of primary productivity is very low
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oligotrophic area
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Productivity in polar oceans is
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light-limited
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Productivity in tropical oceans is
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nutrient-limited
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Nutrient flow in an ecosystem is
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cyclic
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Energy flow in an ecosystem is
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unidirectional
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A symbiotic relationship in which one organism benefits and the other is unaffected is
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commensalism
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The relationship between cyanobacteria and fungi that results in a lichen is an example of
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mutualism
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The area of the ocean that produces the largest standing stock of commercial fish is in the
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continental shelves
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Purse seines are nets that
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surround and trap fishes
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