SO245exam45.docx - Lesson 4 Exam Question 1 2.5 2.5 points...

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SO245exam45.docx

Question 1   2.5 / 2.5 points The ozone layer contains about _______ percent of atmospheric ozone . Question options :
a ) 60
b ) 75
c ) 90
d) 99
Question 2   2.5 / 2.5 points The foremost emitters of methane are Question options :
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Question 3   2.5 / 2.5 points Hydrofluorocarbons ( HFCs ) have largely replaced chlorofluorocarbons ( CFCs ) in an effort to reduce ozone layer depletion . What is a drawback to this strategy ?
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Question 4   2.5 / 2.5 points According to the EPA , the second most significant factor in human - caused global warming and climate change is Question options :
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Question 5   2.5 / 2.5 points When ecologists study the way energy is distributed over a food chain or the rate at which nutrients are recycled , they 're engaged in _______ in an effort to understand how the whole system works . Question options :
a ) habitat ecology
b ) systemic analysis
c ) ecosystem ecology
Answer:  c )   ecosystem ecology
Question 7   0 / 2.5 points About _______ percent of current carbon dioxide emissions are being absorbed into the planet 's oceans . Question options :
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Question 8   2.5 / 2.5 points Which planet is in the so - called " Goldilocks zone " ? Question options :
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Question 9   2.5 / 2.5 points When carbon dioxide is dissolved in water , it produces _______ acid . Question options :
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Question 10   2.5 / 2.5 points Which of these is a biotic factor in an ecological system ? Question options :
a) Local climate
b) Chemical properties of an environment
c) Sunlight
d) Decomposers
Answer:  d )   Decomposers
Question 11   2.5 / 2.5 points A ( n ) _ ______ is the natural space inhabited by a particular plant or animal . Question options :
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Question 12   2.5 / 2.5 points Where can the largest tropical forest on the planet be found ? Question options :
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Question 13   2.5 / 2.5 points Which global region produces the most waste per capita ? Question options :
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Question 14   2.5 / 2.5 points Where did humans first domesticate horses ? Question options :
a) American high plains
b) Asian steppes
c ) African veld
d) Argentine pampas
Answer:  b )   Asian steppes
Question 15   2.5 / 2.5 points Which statement best characterizes the temperate grassland biome ? Question options :
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Question 16   2.5 / 2.5 points Of the four modes of species interaction , trophic interactions are associated with Question options :
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Lesson 4 Exam Question 1 2.5 / 2.5 points The ozone layer contains about _______ percent of atmospheric ozone. Question options: a) 60 b) 75 c) 90 d) 99
Question 2 2.5 / 2.5 points The foremost emitters of methane are Question options:
Question 3 2.5 / 2.5 points Hydrofluorocarbons (HFCs) have largely replaced chlorofluorocarbons (CFCs) in an effort to reduce ozone layer depletion. What is a drawback to this strategy?
a) HFCs have an unpleasant odor. b) HFCs are also greenhouse gases. c) HFCs are more expensive to produce. d) HFCs are toxic to wildlife. Question 4 2.5 / 2.5 points According to the EPA, the second most significant factor in human-caused global warming and climate change is Question options:
Question 5 2.5 / 2.5 points When ecologists study the way energy is distributed over a food chain or the rate at which nutrients are recycled, they're engaged in _______ in an effort to understand how the whole system works. Question options: a) habitat ecology b) systemic analysis c) ecosystem ecology
d) biosphere studies Question 6 0 / 2.5 points Where would you find a cold desert biome? Question options:
Question 7 0 / 2.5 points About _______ percent of current carbon dioxide emissions are being absorbed into the planet's oceans. Question options:
Question 8 2.5 / 2.5 points Which planet is in the so-called "Goldilocks zone"? Question options:
b) Mars c) Jupiter d) Venus Question 9 2.5 / 2.5 points When carbon dioxide is dissolved in water, it produces _______ acid. Question options: a) carbolic b) carbonaceous c) carbonic d) corrosive
Question 10 2.5 / 2.5 points Which of these is a biotic factor in an ecological system? Question options:
Question 11 2.5 / 2.5 points A(n) _______ is the natural space inhabited by a particular plant or animal.
Question options:
Question 12 2.5 / 2.5 points Where can the largest tropical forest on the planet be found?

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