Which factors distinguish different aquatic ecosystems? Select four options.the temperature of the airthe temperature of the waterthe amount of rainfallthe amount of sunlightthe amount of dissolved oxygenthe amount of dissolved salt

Aquatic ecosystems differ in conditions within the water, including its temperature, how much sunlight reaches it, dissolved oxygen, and dissolved salt (salinity). These factors affect which organisms can live there. Air temperature and rainfall can influence aquatic environments, but they are not the four defining factors listed here.

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