Aquatic Ecology

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Microscopic, free-floating, autotrophic organisms that function as producers in aquatic ecosystems are called...

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phytoplankton

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Aquatic insects or other small organisms that have no backbone and are large enough to be seen without a microscope are called...

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benthic macroinvertebrates

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Pollutants discharged from a single identifiable location (e.g., pipes, ditches, channels, sewers, tunnels, containers of various types).

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point source pollution

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Water pollution that does not have a specific point of origin is called ...

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non point source pollution

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Water that drains into a water source after a rain storm occurs. This is the number one cause of non point source pollution in Pennsylvania.

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storm water runoff

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An immediate increase in the amount of algae and other producers that results from a large input of nutrients is called...

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algal bloom

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Overnourishment of aquatic ecosystems with plant nutrients (mostly nitrates and phosphates) because of human activities such as agriculture, urbanization, and discharges from industrial plants and sewage treatment plants.

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cultural eutrophication

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A measure of the buffering capacity of water

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alkalinity

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A habitat in which the fresh water of a river meets the salt water of the ocean.

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estuary

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What does water in the atmosphere react with to create carbonic acid? Options: oxygen, nitrogen, phosphorous, carbon dioxide

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carbon dioxide