Increasing sea surface temperatures should...(chose all statements that are likely to occur) -Increase the temperature difference between the upper and lower parts of the ocean, making upwelling less likely to occur. This will decrease ocean nutrient levels, affecting the number of primary producers. -Lower the amount of sea ice in polar areas. This will warm the water, decreasing the abundance of primary producers and the number of organisms that eat these producers. -Raise water temperatures above the tolerance limits for many aquatic organisms in tropical areas, increasing stress on these species. -Lower the amount of dissolved oxygen in the ocean, depriving many invertebrate animals of oxygen necessary to live.