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Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
1
October 22, 2012
Sep 27:18 PM
Ecology Unit 1 Practice Test
Grade:«8»Subject:Science
Date:«10/2012
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
2
October 22, 2012
Oct 2211:19 AM
Take the quiz or finish the quiz from class (you can start where we left off). You can take it on paper. The last slide will contain all of the answers 130.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
3
October 22, 2012
Sep 27:23 PM
1 An ecologist would refer to all of the tropical rainforests worldwide as
A a biosphereB a biomeC a communityD a populationLT1 I can define and sequence the divisions (hierarchy) of life in ecology.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
4
October 22, 2012
Sep 27:25 PM
2 In ecology, scientists organize levels of life into different divisions. What is the largest division?
A biosphereB biomeC community D ecosystem
LT1 I can define and sequence the divisions (hierarchy) of life in ecology.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
5
October 22, 2012
Sep 27:27 PM
3 Which of the following responses shows a correct sequence of the divisions of life in ecology?
Abiosphere, biome, population, community
Bbiome, community, ecosystem, population
Cbiome, ecosystem, population, community
Decosystem, community, population, organism
LT1 I can define and sequence the divisions (hierarchy) of life in ecology.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
6
October 22, 2012
Sep 27:32 PM
4 The cumulative index value for this sample location would be _____.
A 11B 16C 7D 21
R
R
R
R
C
C
C
LT - 2 I can explain how macro invertebrates are used to assess water quality.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
7
October 22, 2012
Sep 27:54 PM
5 A bio assessment was done at point "x" on the map. The water was found to be "fair". What area on the map is most likely affecting the water at point "x"?
A PastureB Corn Field
C Sewage Treatment PlantD Factory
X
flow of river
LT-2 I can explain how macro invertebrates are used to assess water quality.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
8
October 22, 2012
Sep 27:55 PM
6 What single factor can best determine the water quality of a stream when doing a bio assessment sample?
AThe number of "group one" organisms present.
BThe number of "group two" organisms present
CThe number of "group three" organisms present.
DThe bio diversity of the sample. All groups present.
LT - 2 I can explain how macro invertebrates are used to assess water quality.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
9
October 22, 2012
Sep 28:04 PM
7 In an agricultural area, what factors might contribute to an algae bloom?
AExcess fertilizer from crops running into rivers, lakes, and streams.
BPesticides running off into the water.
C Low dissolved oxygenD Low pH levelsE Livestock waste in the water
Multiple Answer
LT-3 I can identify land use issues and can explain how their impact on water quality.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
10
October 22, 2012
Sep 28:10 PM
8 In urban areas, storm water drains are able to handle large amounts of water to control street flooding. One consequence of this is
AThe storm water increases the water temperature.
BThe storm water passes directly to the water treatment plant.
C
The storm water bypasses the water treatment plant and goes back into the rivers and streams untreated.
DThe storm water improves the water quality.LT-3 I can identify land use issues and can explain how their impact
on water quality.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
11
October 22, 2012
Sep 28:26 PM
9 Vegetation along a river or stream helps water quality by
Ashading the stream keeping water temperatures cooler
B keeping the stream bank stable thus reducing erosion.
Cproviding food and habitat to organisms in and around the stream.
Dfiltering out pollutants before they reach the stream.
E raising pH levels above 9.
Multiple Answer
LT-3 I can identify land use issues and can explain how their impact on water quality.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
12
October 22, 2012
Sep 28:47 PM
10 A substance with a pH of 2 would be classified as a(n)
A acidB baseC neutral
LT - 4 I can classify common substances as acids, bases, and neutrals.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
13
October 22, 2012
Sep 28:50 PM
11 A substance that has more H+ ions than OH- ions would be classified as
a(n)
A acidB baseC neutral
LT - 4 I can classify common substances as acids, bases, and neutrals.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
14
October 22, 2012
Sep 28:54 PM
12 A substance with pH of 8 would best be classified as a(n)
A a strong acidB a weak acidC a strong baseD a weak base
LT - 4 I can classify common substances as acids, bases, and neutrals.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
15
October 22, 2012
Sep 209:47 PM
13 Which of the following are human causes of turbidity?
A constructionB loggingC land developmentD farmingE low dissolved oxygen
Multiple Answer
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
16
October 22, 2012
Sep 209:48 PM
14 Planting cover crops after harvest, planting trees, using silt fences, and contour plowing are used to:
A measure water qualityB measure turbidityC control erosionD improve pH
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
17
October 22, 2012
Sep 209:51 PM
15 Choose all of the following that are consequences of high turbidity.
A increases water temperaturesB raises pH
Clowers bio index (macro invertebrates)
D increases dissolved oxygenE decreases dissolved oxygen
Multiple Answer
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
18
October 22, 2012
Sep 2010:00 PM
16 What is the relationship between water temperature and dissolved oxygen? As temperature increases, dissolved oxygen
A increasesB decreasesC stays the same
DThere is no relationship between water temperature and D.O.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
19
October 22, 2012
Sep 2010:04 PM
17 In the stacking water activity, which temperature of water was the least dense?
A hotB room temperatureC Ice water
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
20
October 22, 2012
Sep 2010:06 PM
18 A flat, shallow container and a deep, narrow container each contained the same amount of water. Both were placed under a heat lamp for 20 minutes. What would the graph most likely look like at the end of the 20 min.?
Temp. (C)
Time (min.)
A
B
C
D Temp. (C)
Time (min.)
Temp. (C)
Time (min.)
Temp. (C)
Time (min.)
Flat, shallow container
Deep, narrow containerKey
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
21
October 22, 2012
Oct 810:05 PM
19 The conductivity of a river is mainly due to
A turbidityB geology C sunlightD dissolved oxygen
LT 7 I can define conductivity and can explain the factors that affect conductivity of water.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
22
October 22, 2012
Oct 810:25 PM
20 All of the factors would increase conductivity except
A warmer temperaturesB addition of sewageC low flow D oil spill
LT 7 I can define conductivity and can explain the factors that affect conductivity of water.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
23
October 22, 2012
Oct 810:28 PM
21 All of the following statements are true about conductivity except:
AConductivity is unique to individual streams
BNormal conductivity in freshwater streams range from 0-1500 ms
Cconductivity lowers in warmer temperatures
D conductivity lowers with rainfall
LT 7 I can define conductivity and can explain the factors that affect conductivity of water.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
24
October 22, 2012
Oct 810:30 PM
22 Which of the following does not increase the amount of dissolved oxygen in water?
A diffusion from the atmosphereB bacteria in the waterC plants in the waterD rapid movement of water over rocks
LT‐8 I can define dissolved oxygen and can explain a variety of circumstances that cause DO levels to change.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
25
October 22, 2012
Oct 810:32 PM
23 Dams can affect the amount of oxygen dissolved in water by all but which of the following ways?
A slowing the flow of the waterB decreasing aeration of waterC increasing the temperature of water
Dincreasing the amount of bacteria in the water
LT‐8 I can define dissolved oxygen and can explain a variety of circumstances that cause DO levels to change.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
26
October 22, 2012
Oct 810:34 PM
24 When do aquatic plants contribute the most dissolved oxygen to water?
A During the dayB During the nightC during periods when plants die
Dproduction of oxygen by plants is uniform, it doesn't change
LT‐8 I can define dissolved oxygen and can explain a variety of circumstances that cause DO levels to change.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
27
October 22, 2012
Oct 810:35 PM
25 The amount of oxygen dissolved in water is ______ the temperature of the water.
A directly related to B inversely related toC exactly the same asD not influenced by
LT ‐9 I can explain the relationship between DO and water temperature.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
28
October 22, 2012
Oct 810:37 PM
26 Which of the following graphs best represents the relationship between water temperature and dissolved oxygen?
A B
C D
LT ‐9 I can explain the relationship between DO and water temperature.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
29
October 22, 2012
Oct 810:45 PM
27 An inverse relationship is best described as an association of factors where:
Aan increase in one factor causes an increase in another factor
Ban increase in one factor causes a decrease in another factor
Ca decrease in one factor causes a decrease in another factor
Dchanges in one factor does not change another factor
LT ‐9 I can explain the relationship between DO and water temperature.
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
30
October 22, 2012
Oct 2111:07 PM
28 This decreases at night since there is no photosynthesis.
A pHB temperatureC conductivityD turbidity
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
31
October 22, 2012
Oct 2111:09 PM
29 This decreases during the day since plants use carbon dioxide from the water to make food.
A carbonic acidB temperatureC conductivityD pH
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
32
October 22, 2012
Oct 2111:12 PM
30 This tends to increase during daylight hours since plants are using carbon dioxide and sunlight to make food and give off this gas as a by product.
A carbonic acidB dissolved oxygenC pHD carbon dioxide gas
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
33
October 22, 2012
Oct 2211:29 AM
1. B2. A3. D4. A5. A6. D7. A,E8. C9. A,B, C, D10. A11. A12. D
14. B15. A,C,E16. B17. A18. D19. B20. D21. B22. B23. D24. A25. B
26. D27. B28. A29. A30. B
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
34
October 22, 2012
Oct 2111:12 PM
Ecology Unit 1 Practice Test LT 110 with Answer Key Attached.notebook
35
October 22, 2012
Sep 28:59 PM
R
R
R
R
C
C
C