ecology lt 712 rti formative

Ecology LT 712 RTI Formative Quiz with Answers 2013.notebook

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October 31, 2013

Ecology LT 712 RTI Formative

Grade:«grade»Subject:Science

Date:«date»


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October 31, 2013

1 Aeration can increase dissolved oxygen in freshwater. Which of the following would be an example of aeration?

A The oxygen in the atmosphere moves into the water.

B Aquatic plants produce oxygen as a by product of photosynthesis.

C A freshwater stream has a series of riffles.

D Temperature differences occur at different depths of the water creating layers.LT 7


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October 31, 2013

2 Aeration can increase dissolved oxygen in freshwater. Which of the following would be an example of aeration?

A The oxygen in the atmosphere moves into the water.

B Aquatic plants produce oxygen as a by product of photosynthesis.

C A freshwater stream has a series of riffles.

D Temperature differences occur at different depths of the water creating layers.LT 7


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October 31, 2013

3 In which of the following locations would you most likely find the lowest dissolved oxygen (D.O.)?

A In a warm shallow pool

B In a rapid

C In a well-shaded deep pool

D In an area of the stream with aquatic vegetation LT 7


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October 31, 2013

4 In which of the following locations would you most likely find the lowest dissolved oxygen (D.O.)?

A In a warm shallow pool

B In a rapid

C In a well-shaded deep pool

D In an area of the stream with aquatic vegetation LT 7


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October 31, 2013

5 The relationship between dissolved oxygen and temperature is referred to as:

A an inverted relationship

B a direct relationshipC an opposite relationship

D an inverse relationship

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October 31, 2013

6 The relationship between dissolved oxygen and temperature is referred to as:

A an inverted relationship

B a direct relationshipC an opposite relationship

D an inverse relationship

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October 31, 2013

7 Which of the following graphs would most closely represent the relationship between temperature and dissolved oxygen?

A

B

C

D

temp. D

.O.

months

temp. D

.O.

months

temp. D

.O.

months

temp. D

.O.

months

D.O.

Temp.

Legend

LT 8


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October 31, 2013

8 Which of the following graphs would most closely represent the relationship between temperature and dissolved oxygen?

A

B

C

D

temp. D

.O.

months

temp. D

.O.

months

temp. D

.O.

months

temp. D

.O.

months

D.O.

Temp.

Legend

LT 8


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October 31, 2013

9 Temperature is an important water quality factor. Choose all of the following factors that temperature can influence.A dissolved oxygen

B turbidity levels

C reproduction of species

D activity rate of organisms

E overall health of organisms

Multiple Answer

LT 9


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October 31, 2013

10 Temperature is an important water quality factor. Choose all of the following factors that temperature can influence.A dissolved oxygen

B turbidity levels

C reproduction of species

D activity rate of organisms

E overall health of organisms

Multiple Answer

LT 9


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October 31, 2013

11 All of the following factors can change water temperature except:

A dissolved oxygenB high turbidityC thermal pollutionD rainfall

LT 9


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October 31, 2013

12 All of the following factors can change water temperature except:

A dissolved oxygenB high turbidityC thermal pollutionD rainfall

LT 9


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October 31, 2013

13 All of the following can affect the turbidity of water except:

A sedimentB rainfall

C erosionD dissolved oxygen

LT 10


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October 31, 2013

14 All of the following can affect the turbidity of water except:

A sedimentB rainfall

C erosionD dissolved oxygen

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October 31, 2013

15 High turbidity can affect all of the following except:

A dissolved oxygen

B water temperature

C speed of water (flow)

D water costs

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October 31, 2013

16 High turbidity can affect all of the following except:

A dissolved oxygen

B water temperature

C speed of water (flow)

D water costs

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October 31, 2013

17 All of the following can increase the conductivity of water except:

A high water temperatures

B increased dissolved oxygen

C increased erosion

D drought


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October 31, 2013

18 All of the following can increase the conductivity of water except:

A high water temperatures

B increased dissolved oxygen

C increased erosion

D drought


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October 31, 2013

19 Which of the following graphs would most closely resemble the relationship between conductivity and stream flow?

A

B

C

D

conductivity

flow

stream flowconductivity

conductivity

flow

conductivity

flow

conductivity

flow


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October 31, 2013

20 Which of the following graphs would most closely resemble the relationship between conductivity and stream flow?

A

B

C

D

conductivity

flow

stream flowconductivity

conductivity

flow

conductivity

flow

conductivity

flow


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October 31, 2013

21 Carbonic Acid is a weak acid that forms when water mixes with CO2. When would carbonic acid be at the highest level in a body of freshwater?

A day

B night

C no difference in carbonic acid between day and night


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October 31, 2013

22 Carbonic Acid is a weak acid that forms when water mixes with CO2. When would carbonic acid be at the highest level in a body of freshwater?

A day

B night

C no difference in carbonic acid between day and night


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October 31, 2013

23 How might CO2 levels change in a body of freshwater between day and night?

A CO2 levels would increase during the day

B CO2 levels would decrease during the day

C CO2 levels would not change between day and night


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October 31, 2013

24 How might CO2 levels change in a body of freshwater between day and night?

A CO2 levels would increase during the day

B CO2 levels would decrease during the day

C CO2 levels would not change between day and night


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October 31, 2013


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October 31, 2013


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October 31, 2013

ecology lt 712 rti formative

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