Open Sea and Ocean Zones

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What is the characteristic of neustons according to the text?

They are endemic to a specific lake

They cling to other plants or any other surface

They are attached to bottom sediments

They rest or swim on the surface (correct)

In which layer of stratification do you find the warm, lighter, circulating surface layer?

None of the layers described

Epilimnion (correct)

Hypolimnion

Thermocline

What causes Eutrophic lakes to be overnourished?

Nutrients like nitrogen and phosphorus (correct)

High salt concentrations

Endemic fauna

Low nutrient concentrations

Which type of lake is characterized by low pH, high humic acid content, and brown waters?

Dystrophic lakes Signup and view all the answers

What defines Desert salt lakes according to the text?

Low evaporation and high salt concentrations Signup and view all the answers

Where do benthos organisms typically attach themselves?

To bottom sediments Signup and view all the answers

Which region of a lake experiences a sharp drop in temperature between the warm top layer and the cold bottom layer?

Thermocline Signup and view all the answers

What characterizes endemic lakes according to the text?

They are ancient, deep, and have endemic fauna Signup and view all the answers

What happens to the top waters of lakes during summer according to the text?

They become warmer than the bottom waters Signup and view all the answers

What is a common source of nutrients for Eutrophic lakes mentioned in the text?

Agricultural run-off and municipal sewage discharge Signup and view all the answers

Open Sea and Ocean Zones

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Questions and Answers

What is the characteristic of neustons according to the text?

In which layer of stratification do you find the warm, lighter, circulating surface layer?

What causes Eutrophic lakes to be overnourished?

Which type of lake is characterized by low pH, high humic acid content, and brown waters?

What defines Desert salt lakes according to the text?

Where do benthos organisms typically attach themselves?

Which region of a lake experiences a sharp drop in temperature between the warm top layer and the cold bottom layer?

What characterizes endemic lakes according to the text?

What happens to the top waters of lakes during summer according to the text?

What is a common source of nutrients for Eutrophic lakes mentioned in the text?

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