Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
Ecology Unit 1 Practice Test
Grade: «8»
Subject:Science
Date: «10/2012
Sep 2­7:18 PM
1
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
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.
Oct 22­11:19 AM
2
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
1 An ecologist would refer to all of the
tropical rainforests worldwide as
A
B
C
D
a biosphere
a biome
a community
a population
LT­1 I can define and sequence the divisions (hierarchy) of life in ecology.
Sep 2­7:23 PM
3
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
2 In ecology, scientists organize levels of
life into different divisions. What is
the largest division?
A
biosphere
B
biome
community
ecosystem
C
D
LT­1 I can define and sequence the divisions (hierarchy) of life in ecology.
Sep 2­7:25 PM
4
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
3 Which of the following responses shows
a correct sequence of the divisions of
life in ecology?
biosphere, biome, population, community
A
biome, community, ecosystem, population
B
biome, ecosystem, population, community
C
ecosystem, community, population, organism
D
LT­1 I can define and sequence the divisions (hierarchy) of life in ecology.
Sep 2­7:27 PM
5
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
4 The cumulative index value for this
sample location would be _____.
A
B
C
D
11
16
R
7
21
C
R
C
R
C
R
LT - 2 I can explain how macro invertebrates are used to assess water
quality.
Sep 2­7:32 PM
6
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
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
Pasture
B
Corn Field
flow of river
X
Sewage Treatment Plant
D Factory
C
LT-2 I can explain how macro invertebrates are used to assess water
quality.
Sep 2­7:54 PM
7
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
6 What single factor can best determine
the water quality of a stream when
doing a bio assessment sample?
A
B
The number of "group one" organisms
present.
The number of "group two"
organisms present
The number of "group three"
C
D
organisms present.
The bio diversity of the sample. All
groups present.
LT - 2 I can explain how macro invertebrates are used to assess water
quality.
Sep 2­7:55 PM
8
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
7 In an agricultural area, what factors
might contribute to an algae bloom?
A
B
C
D
E
Excess fertilizer from crops running
into rivers, lakes, and streams.
Pesticides running off into the
Mu
water.
lti
ple
Low dissolved oxygen
Low pH levels
Livestock waste in the water
An
sw
er
LT-3 I can identify land use issues and can explain how their impact on water quality.
Sep 2­8:04 PM
9
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
8 In urban areas, storm water drains are
able to handle large amounts of water
to control street flooding. One
consequence of this is
A
B
C
D
The storm water increases the water temperature.
The storm water passes directly to
the water treatment plant.
The storm water bypasses the water treatment plant and goes back into the rivers and streams untreated.
The storm water improves the
LT-3 I can identify land use issues and can explain how their impact
water quality.
on water quality.
Sep 2­8:10 PM
10
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
9 Vegetation along a river or stream helps water
Mu
ltip
quality by
le
An
shading the stream keeping water temperatures swer
A cooler
B keeping the stream bank stable thus reducing
erosion.
providing food and habitat to organisms in and
C around the stream.
filtering out pollutants before they reach the
D stream.
E raising pH levels above 9.
LT-3 I can identify land use issues and can explain how their impact on water quality.
Sep 2­8:26 PM
11
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
10 A substance with a pH of 2 would be
classified as a(n)
B
acid
base
C
neutral
A
LT - 4 I can classify common substances as acids, bases, and neutrals.
Sep 2­8:47 PM
12
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
11 A substance that has more H+ ions
than OH- ions would be classified as
a(n)
A
acid
B
base
neutral
C
LT - 4 I can classify common substances as acids, bases, and neutrals.
Sep 2­8:50 PM
13
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
12 A substance with pH of 8 would best be
classified as a(n)
A
B
C
D
a strong acid
a weak acid
a strong base
a weak base
LT - 4 I can classify common substances as acids, bases, and neutrals.
Sep 2­8:54 PM
14
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
13 Which of the following are human
causes of turbidity?
A
B
C
D
E
Mu
lti
ple
construction
logging
An
sw
er
land development
farming
low dissolved oxygen
Sep 20­9:47 PM
15
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
14 Planting cover crops after harvest,
planting trees, using silt fences, and
contour plowing are used to:
A
measure water quality
B
measure turbidity
control erosion
improve pH
C
D
Sep 20­9:48 PM
16
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
15 Choose all of the following that are
consequences of high turbidity.
A
B
C
D
E
increases water temperatures
raises pH
Mu
lowers bio index (macro A ltiple
nsw
er
invertebrates)
increases dissolved oxygen
decreases dissolved oxygen
Sep 20­9:51 PM
17
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
16 What is the relationship between water
temperature and dissolved oxygen? As
temperature increases, dissolved oxygen
A
increases
B
decreases
stays the same
There is no relationship between
C
D
water temperature and D.O.
Sep 20­10:00 PM
18
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
17 In the stacking water activity, which
temperature of water was the least
dense?
A
hot
B
room temperature
Ice water
C
Sep 20­10:04 PM
19
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
18
October 22, 2012
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.?
Flat, shallow container
Key
Deep, narrow container
A
C
Temp.
(C)
Temp.
(C)
Time (min.)
Time (min.)
D
B
Temp.
(C)
Temp.
(C)
Time (min.)
Time (min.)
Sep 20­10:06 PM
20
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
19 The conductivity of a river is mainly
due to
A
B
C
D
turbidity
geology
sunlight
dissolved oxygen
LT 7 ­ I can define conductivity and can explain the factors that affect conductivity of water.
Oct 8­10:05 PM
21
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
20 All of the factors would increase
conductivity except
A
B
C
D
warmer temperatures
addition of sewage
low flow
oil spill
LT 7 ­ I can define conductivity and can explain the factors that affect conductivity of water.
Oct 8­10:25 PM
22
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
21 All of the following statements are true
about conductivity except:
Conductivity is unique to individual streams
A
Normal conductivity in freshwater streams
range from 0-1500 ms
B
conductivity lowers in warmer temperatures
C
D
conductivity lowers with rainfall
LT 7 ­ I can define conductivity and can explain the factors that affect conductivity of water.
Oct 8­10:28 PM
23
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
22 Which of the following does not
increase the amount of dissolved oxygen
in water?
A
diffusion from the atmosphere
B
bacteria in the water
plants in the water
rapid movement of water over rocks
C
D
LT‐8
I can define dissolved oxygen and can explain a variety of circumstances that cause DO levels to
change.
Oct 8­10:30 PM
24
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
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 water
B
decreasing aeration of water
C
increasing the temperature of water
increasing the amount of bacteria in
D
LT‐8
the water
I can define dissolved oxygen and can explain a variety of circumstances that cause DO levels to
change.
Oct 8­10:32 PM
25
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
24 When do aquatic plants contribute the
most dissolved oxygen to water?
A
B
C
D
LT‐8
During the day
During the night
during periods when plants die
production of oxygen by plants is
uniform, it doesn't change
I can define dissolved oxygen and can explain a variety of circumstances that cause DO levels to
change.
Oct 8­10:34 PM
26
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
25 The amount of oxygen dissolved in
water is ______ the temperature of
the water.
A directly related to
inversely related to
C exactly the same as
D not influenced by
B
LT ‐9
I can explain the relationship between DO and water temperature.
Oct 8­10:35 PM
27
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
26 Which of the following graphs best
represents the relationship between
water temperature and dissolved
oxygen?
A
C
LT ‐9
B
D
I can explain the relationship between DO and water temperature.
Oct 8­10:37 PM
28
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
27 An inverse relationship is best
described as an association of factors
where:
A
B
C
D
LT ‐9
an increase in one factor causes an
increase in another factor
an increase in one factor causes a
decrease in another factor
a decrease in one factor causes a
decrease in another factor
changes in one factor does not
change another factor
I can explain the relationship between DO and water temperature.
Oct 8­10:45 PM
29
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
28 This decreases at night since there is
no photosynthesis.
A
B
C
D
pH
temperature
conductivity
turbidity
Oct 21­11:07 PM
30
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
29 This decreases during the day since
plants use carbon dioxide from the
water to make food.
A
carbonic acid
B
temperature
conductivity
pH
C
D
Oct 21­11:09 PM
31
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
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
B
C
D
carbonic acid
dissolved oxygen
pH
carbon dioxide gas
Oct 21­11:12 PM
32
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
1. B
2. A
3. D
4. A
5. A
6. D
7. A,E
8. C
9. A,B, C, D
10. A
11. A
12. D
14. B
15. A,C,E
16. B
17. A
18. D
19. B
20. D
21. B
22. B
23. D
24. A
25. B
October 22, 2012
26. D
27. B
28. A
29. A
30. B
Oct 22­11:29 AM
33
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
October 22, 2012
Oct 21­11:12 PM
34
Ecology Unit 1 Practice Test LT 1­10 with Answer Key Attached.notebook
R
October 22, 2012
C
R
C
R
C
R
Sep 2­8:59 PM
35