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QUESTION 7a(i) What does the following term stand for? FAV
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ANSWER 7a(i) What does the following term stand for? FAV FLOATING AQUATIC VEGETATION
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QUESTION 7a(ii) What does the following term stand for? SAV
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ANSWER 7a(ii) What does the following term stand for? SAV SUBMERGED AQUATIC VEGETATION
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QUESTION 7a(iii) What does the following term stand for? EAV
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ANSWER 7a(iii) What does the following term stand for? EAV EMERGENT AQUATIC VEGETATION
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QUESTION 7b What is the main characteristic that is used to group the 3 types of aquatic vegetation?
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ANSWER 7b What is the main characteristic that is used to group the 3 types of aquatic vegetation? Where they live in the water
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QUESTION 7c What 2 water factors affect the growth of SAV in the Chesapeake Bay?
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ANSWER 7c What 2 water factors affect the growth of SAV in the Chesapeake Bay? SALINITY AND TURBIDITY
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QUESTION 7d Explain how the presence of SAV would help the fish in the cartoon and the other aquatic animals in the Bay?
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QUESTION 7d Explain how the presence of SAV would help the fish in the cartoon and the other aquatic animals in the Bay? SAV provide habitat, shelter, food, and oxygen to the Bay. SAV also help maintain water quality and water quality and prevent erosion
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QUESTION 7e Explain 2 causes that have lead to the decline of SAV in the Chesapeake Bay.
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ANSWER 7e Explain 2 causes that have lead to the decline of SAV in the Chesapeake Bay. Eutrophication & sedimentation - Over- enrichment of nutrients causes algae blooms which blocks blooms which blocks sunlight. Too much sunlight. Too much sediment also blocks sediment also blocks sunlight. sunlight.
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QUESTION 8a Which law regulates what is discharged from a wastewater treatment plant?
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ANSWER 8a Which law regulates what is discharged from a wastewater treatment plant? CLEAN WATER ACT
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QUESTION 8b Which law makes water potable?
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ANSWER 8b Which law makes water potable? SAFE DRINKING WATER ACT
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QUESTION 8c Which organization is responsible for setting water quality standards?
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ANSWER 8c Which organization is responsible for setting water quality standards? EPA
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QUESTION 8d What classification of pollution comes from a wastewater treatment plant?
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ANSWER 8d What classification of pollution comes from a wastewater treatment plant? POINT POLLUTION
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QUESTION 8e What type(s) of pollution results from the process of wastewater treatment?
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ANSWER 8e What type(s) of pollution results from the process of wastewater treatment? EUTROPHICATION
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QUESTION 9a Use the graphic to classify the following as point or non-point pollution. Farm
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ANSWER 9a Use the graphic to classify the following as point or non-point pollution. FarmNonpoint
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QUESTION 9b Use the graphic to classify the following as point or non-point pollution. Houses
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ANSWER 9b Use the graphic to classify the following as point or non-point pollution. HousesNon-point
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QUESTION 9c Use the graphic to classify the following as point or non-point pollution. Boat
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ANSWER 9c Use the graphic to classify the following as point or non-point pollution. Boat Point OR Nonpoint depending on the situation
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QUESTION 9d Use the graphic to classify the following as point or non-point pollution. Factory
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ANSWER 9d Use the graphic to classify the following as point or non-point pollution. FactoryPoint
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QUESTION 9e Use the graphic to classify the following as point or non-point pollution. Factory’s parking lot
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ANSWER 9e Use the graphic to classify the following as point or non-point pollution. Factory’s parking lot Nonpoint
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QUESTION 9f Use the graphic to describe the source of the following type of pollution. Acid rain
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ANSWER 9f Use the graphic to describe the source of the following type of pollution. Acid rain Factory releases SO2 and NO Boat releases NO
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QUESTION 9g Use the graphic to describe the source of the following type of pollution. Eutrophication
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ANSWER 9g Use the graphic to describe the source of the following type of pollution. Eutrophication Runoff from the farm and fertilizer and lawns
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QUESTION 9h Use the graphic to describe the source of the following type of pollution. Thermal pollution
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ANSWER 9h Use the graphic to describe the source of the following type of pollution. Thermal pollution Factory pulls in water as a coolant and releases warmer water
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QUESTION 10a What are the two nutrients that cause eutrophication?
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ANSWER 10a What are the two nutrients that cause eutrophication? Nitrates and phosphates
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QUESTION 10b What is it that grows rapidly because of all of the excess nutrients?
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ANSWER 10b What is it that grows rapidly because of all of the excess nutrients? ALGAE
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QUESTION 10c Decomposers then move in and break down all organic matter. What can be created by the resulting low levels of oxygen?
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ANSWER 10c Decomposers then move in and break down all organic matter. What can be created by the resulting low levels of oxygen? DEAD ZONES
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QUESTION 10d What does thermal pollution increase in the water?
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ANSWER 10d What does thermal pollution increase in the water? TEMPERATURE
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QUESTION 10e What levels decrease in the water as a result of increasing temperature?
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ANSWER 10e What levels decrease in the water as a result of increasing temperature? DISSOLVED OXYGEN
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QUESTION 10f How does acid rain affect the pH of water?
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ANSWER 10f How does acid rain affect the pH of water? It lowers pH
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QUESTION 11a Below is an energy pyramid illustrating biomagnification. Why are there more dots in higher trophic levels?
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ANSWER 11a Below is an energy pyramid illustrating biomagnification. Why are there more dots in higher trophic levels? The concentration of pollutants increases as it moves up the food chain
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QUESTION 11b Below is an energy pyramid illustrating biomagnification. Name a pollutant that behaves in this manner.
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ANSWER 11b Below is an energy pyramid illustrating biomagnification. Name a pollutant that behaves in this manner. Mercury, DDT, heavy metals
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QUESTION 11c Below is an energy pyramid illustrating biomagnification. In what part of an organism does the pollutant accumulate?
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ANSWER 11c Below is an energy pyramid illustrating biomagnification. In what part of an organism does the pollutant accumulate? FATS
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QUESTION 11d Below is an energy pyramid illustrating biomagnification. Explain how the organism at the highest trophic level is not killed by this pollutant and instead it can have damaging effects on its offspring.
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ANSWER 11d Below is an energy pyramid illustrating biomagnification. Explain how the organism at the highest trophic level is not killed by this pollutant and instead it can have damaging effects on its offspring. Biomagnification of the pollutant interferes with the reproductive system of the organism. For example, biomagnification of DDT resulted in bald eagles laying eggs with shells that were too thin.
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QUESTION 12a Identify the aquatic environment with the following characteristics. Salt water, fresh water, tidal, nesting ground
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ANSWER 12a Identify the aquatic environment with the following characteristics. Salt water, fresh water, tidal, nesting ground ESTUARY
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QUESTION 12b Identify the aquatic environment with the following characteristics. Salt water, tidal
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ANSWER 12b Identify the aquatic environment with the following characteristics. Salt water, tidal OCEAN
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QUESTION 12c Identify the aquatic environment with the following characteristics. Fresh water, light penetrates almost to bottom
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ANSWER 12c Identify the aquatic environment with the following characteristics. Fresh water, light penetrates almost to bottom STREAMS
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QUESTION 12d Identify the aquatic environment with the following characteristics. Salt water, fresh water, tidal, nesting ground, light penetrates almost to bottom
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ANSWER 12d Identify the aquatic environment with the following characteristics. Salt water, fresh water, tidal, nesting ground, light penetrates almost to bottom WETLAND
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Question 13 Define watershed.
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Answer 13 Define watershed. The total land area from which water drains into a particular water body
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