ES 6.4 Reading

What is the process by which a body of water gains nutrients called?

• Eutrophication

• Oligotrophication

• Sedimentation

• Photosynthesis

Which of the following is NOT a service provided by freshwater systems?

• Climate moderation

• Nutrient cycling

• Desertification

• Flood control

Tags

NGSS.MS-LS2-5

What type of lake is characterized by having a small supply of plant nutrients and often has steep banks?

• Oligotrophic lake

• Eutrophic lake

• Mesotrophic lake

• Hypereutrophic lake

Which zone in a river system contains headwater streams found in highlands and mountains?

• Source zone

• Transition zone

• Floodplain zone

• Delta zone

What is the land area called that delivers runoff, sediment, and dissolved substances to streams, lakes, or wetlands?

• Watershed

• Aquifer

• Estuary

• Delta

Which of the following is an example of a standing body of fresh water?

• Lake

• River

• Stream

• Delta

What is the primary characteristic of eutrophic lakes?

• High levels of nutrients

• Low levels of nutrients

• Crystal-clear water

• Steep banks

What is the area around the lake's edge where plants grow called?

• Oceanic Zone

• Limnetic Zone

• Profundal Zone

• Littoral Zone

Which zone of the lake is open and sunlit?

• Lideral Zone

• Limnetic Zone

• Dark Zone

• Profundal Zone

Where in the lake does light not reach?

• Profundal Zone

• Shallow Zone

• Limnetic Zone

• Lideral Zone

Tags

NGSS.MS-LS1-6