MNS320 Ch1 quiz key - MNS320 Marine Ecology Quiz #1, 16...

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MNS320 Marine Ecology Name:____________________________________ Quiz #1, 16 points total UT EID:__________________________________ 1) (1 pt) The pycnocline is the depth zone over which ________ DENSITY ____changes rapidly. 2) (3 pt) What are the two primary environmental factors that affect the density of seawater? Which has the greater relative impact on seawater density? TEMPERATURE, SALINITY; TEMP MORE IMPORTANT 3) (1 pt) Surface currents and deep water masses are linked via global ________________ THERMOHALINE CIRCULATION ________________________. * I also accepted “conveyor belt”, although thermohaline circulation is the more exact and preferred term. 4) (2 pt) The solubility of oxygen in water is LESS /MORE than it’s solubility in air. The reverse is true for carbon dioxide because carbon dioxide REACTS CHEMICALLY WITH WATER . 5) (1 pt) Temperature plays an important role in establishing the biogeographic range of organisms in the sea, because most marine organisms are POIKILOTHERMIC/ECTOTHERMIC
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This note was uploaded on 09/26/2010 for the course MNS 320 taught by Professor Staff during the Spring '08 term at University of Texas at Austin.

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MNS320 Ch1 quiz key - MNS320 Marine Ecology Quiz #1, 16...

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