2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
September 17, 2013
2013 Ecology LT 4­6 Formative
Grade: «grade»
Subject: Ecology
Date: «date»
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2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
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September 17, 2013
Which best management practice (bmp) would reduce flooding due to impervious (non porous) surfaces?
A fences around ponds and rivers
B silt fences around construction areas
C buffer strips between crops and rivers
D bioswales near parking lots
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2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
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September 17, 2013
Which bmp would reduce excess nutrients running off into a stream?
A installing storm drains
B silt fences installed around construction areas
C buffer strips between crops and river
D installing curbing along parking lots
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2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
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September 17, 2013
Which bmp would an industry use to reduce thermal pollution from industrial processes? A holding ponds for used water
B using buffer strips
C installing green roofs
D installing storm drains for used water
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2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
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September 17, 2013
Which bmp could be used to reduce sediment runoff around an agricultural area?
A Install fencing around the water source
B
Leave tillage (plant debris) after crops are harvested
C Test the soil for nutrients before planting crops
D Plow fields in straight rows
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2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
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September 17, 2013
A solution that has more H+ ions than OH­ ions would be classified as a(an)
A acid
B base
C neutral
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2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
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September 17, 2013
A solution with a pH of 10 would be classfied as a(an)
A acid
B base
C neutral
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2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
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September 17, 2013
Ammonia, antacid, and borax turned cabbage juice blue/green. These solutions would most likely be classified as A acid
B base
C neutral
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2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
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September 17, 2013
An acidic substance would have a pH of ___________.
A 7
B 4
C 8.5
D 12
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2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
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September 17, 2013
Which organism(s) can withstand the largest change in pH?
A Bacteria
B Plants (algae, rooted)
C Bass, bluegill, crappie
D Trout, frogs, macro invertebrates
pH range for aquatic organisms
0
1
2
3 4
5
6
7 8
9 10 11 12 13 14
Bacteria
Plants (algae, rooted)
Carp, catfish, some insects
Bass, bluegill
Snails, clams
trout, intolerant macro invertebrates
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2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
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September 17, 2013
Which organisms can survive in water with a pH of 11?
A snails and clams
B Bass and bluegill
C carp and catfish
D bacteria and plants
pH range for aquatic organisms
0
1
2
3 4
5
6
7 8
9 10 11 12 13 14
Bacteria
Plants (algae, rooted)
Carp, catfish, some insects
Bass, bluegill
Snails, clams
trout, intolerant macro invertebrates
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2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
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September 17, 2013
What is the survival range for snails and clams?
A 7­8
B 6­8
C 7­11
D None of the above
pH range for aquatic organisms
0
1
2
3 4
5
6
7 8
9 10 11 12 13 14
Bacteria
Plants (algae, rooted)
Carp, catfish, some insects
Bass, bluegill
Snails, clams
trout, intolerant macro invertebrates
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2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
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September 17, 2013
When studying a freshwater ecosystem, which populations would disappear first if there was a sudden change in pH?
A Bacteria
B Plants
C Bass
D Macro Invertebrates
pH range for aquatic organisms
0
1
2
3 4
5
6
7 8
9 10 11 12 13 14
Bacteria
Plants (algae, rooted)
Carp, catfish, some insects
Bass, bluegill
Snails, clams
trout, intolerant macro invertebrates
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2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
September 17, 2013
Formative Assessment LT 4­6
Answers
1. D
2. C
3. A
4. B
5. A
6. B
7. B
8. B
9. A
10. D
11. D
12. D
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2013 Ecology LT 4­6 Formative BMPs and pH with answer page.notebook
September 17, 2013
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