All of the following concentrations would increase with depth except for _________. Oxygen
Which of the following constitutes over 86% of the dissolved solids in the ocean? Sodium Chloride (NaCl)
Where on Earth would pressure be the least? Mount Everest
What organisms deplete the water of oxygen during a eutrophication event? Decomposers
Water exhibits all of the following characteristics except ________________. low specific heat capacity
Where would you be least likely to find thick deposits of marine sediment? The continental rise of a convergent active margin
Which of the following is not a requirement for primary production to occur? Glucose
The accidental catch of non-commercial items is known as __________________. Bycatch
All of the following affect seawater density except for __________. sound propagation
All of the following contribute to sea level rise except _____________________. Input of nutrients
Thermohaline circulation is caused by changes in seawater density, primarily due to differences in salinity and ________________ temperature
Which region consistently exhibits low levels of primary productivity throughout the year? The tropical region
Which policy protects the habitat of endangered species? The Endangered Species Act
Approximately what percent of energy is transferred from one trophic level to the next? 0.1
Marine _______________, primarily bacteria, break(s) down organic matter and recycle(s) nutrients within an ecosystem. Decomposers
The ______________ is the marine province that drives seafloor spreading. mid-ocean ridge
Which marine province includes abyssal hills, abyssal plains, and deep ocean trenches? Deep ocean basins
Sea surface salinity levels reach a maximum around 23.5°S and 23.5°N due to the high rate of ____________ that occurs here. Evaporation
Which trophic level is most likely to be impacted by the biomagnification of toxins in a food web? Tertiary consumers
Which of the following is not a limited nutrient in the ocean? Glucose
The decrease in the pH of seawater is caused by an increase in atmospheric ______________. carbon dioxide
A change in pH by 0.1 results in a ___% change in hydroxide ions. 30
Which of the following is not a major constituent of the ocean? Carbon dioxide
The sinking of dense, salty, cold water in the __________ region(s) drives the movement of the thermohaline circulation current. Polar
Also a component of glass, this compound is found in the tests of diatoms, allowing them to efficiently use solar energy. Silica
Conservative ions exhibit all of the following characteristics except for ___________. A short residence time
What type of oceanocraphy is most likely to study ocean currents, tides, and waves? Physical oceanography
Which physical property of water makes it an ideal medium for energy transfer? High density
In which ocean zone would you expect the rate of photosynthesis to be the greatest? Euphotic zone

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