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20 Cards in this Set
- Front
- Back
Seasonal temperature changes in the ocean are the greatest in
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Termperate surface waters
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The two factors that most affect seawater density are
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temperature and salinity
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Which of the following colors of light reaches the greatest depth in the ocean before being completely absorbed
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blue
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in the temperate zone, toward the end of spring
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The thermocline increases
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Marine Snow
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Is found throughout the ocean water column
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One experiment discussed in class examined the significance of different reef habitat compositions on the species richnss of fish populations: which aspect of reef structure was found to be most significant in determining high species richness
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the rugosity of the habitat
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Because of the Coriolis effect, a water current moving in the northern hemisphere will tend to ________ as it moves along its course
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Curve to the right
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Vents and cold seeps depend on primary production generated by_______
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Chemosynthetic bacteria
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For phytoplankton
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Chlorophyll and other light-harvesting pigments collectively capture a wide spectrum of visible light
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Zooplankton grazing
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*is not required for a spring diatom bloom to end
*may produce alternate areas of abundant and less abundant phytoplankton *can fail to increase beyond an upper limit determined by phytoplankton cell concentration |
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Primary production in the sea
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is lowest in tropical surface waters
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The oxygen minimum zone generally falls to its lowest value at which one of the following dpeths
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200-1,000m
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Phytoplankton comprise the ______ trophic level of virtually all marine food webs
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First
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In waters that are thermally stratified, the upper water layer is _____ than the lower layers
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Less Dense
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The compensation depth is that depth in the water column where ______
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Rate of photosynthesis of an organism=rate of respiration of that organism
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Benthic species with plankton larvae
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have broader biogeographic ranges than species with nonplanktonic larvae
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The process by which deep water is brought to the surface is called______-
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upwelling
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Planktonic organisms are usually
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Found near the surface during the day and at depth at night
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In the rocky intertidal zone, which of the following resources is most often in limited supply
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Space
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suspension feeders do badly in mud because of
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high turbidity near the sediment-water interfeace
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