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Bio 1B - SG6P3 Test

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1.
Describe 2 key contributors to global warming
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2.
Explain the influence humans have on the three biogeochemical cycles we discussed in concept 2.
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3.
List three ways humans threaten biodiversity
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4.
Differentiate between direct & indirect economic value of biodiversity
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5.
Describe 3 indirect services the biosphere provides.
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6.
Name 2 ways in which eutrophication can be reduced in waterways.
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7.
Ecological (carbon) footprint
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8.
List examples of renewable and nonrenewable sources.
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9.
Summarize the goals of each type of technology, and include one positive and one negative outcome for each.
A.
1) Destroying habitats 2) Pollution 3) Introducing invasive species
B.
Renewable: oxygen, wood, water, sunlight, and wind. Nonrenewable: fossil fuels, metals and plastics.
C.
Water cycle- Deforestation affects the transpiration stage. Carbon cycle- Combustion pollutes the air, earth, and water. Nitrogen cycle- Over fertilizing the soil creates a nitrogen imbalance.
D.
Agricultural Alternative Industrial
E.
Fossil fuels and CFC's
F.
The amount of carbon emitted and its environmental impact.
G.
participating in sustainable agricultural practices, reducing pollutants
H.
-flood protection, -bees making pollen, -natural processes provide drinking water that is safe for human use
I.
Direct = benefit derived from products provided by biodiversity EX: food, wood, medicines Indirect = benefit that's consistent w/ services derived from biodiversity & of great value 2 society as a whole, not individuals/businesses EX: pollination by bees
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10.
What is the process of using living organisms to detoxify a location?
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11.
Replace the italicized word to make the statement true: GENETIC DIVERSITY, refers to the variety of ecosystems that are present in the biosphere.
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12.
In which location would you expect to find greater species diversity? a. Canada | b. Costa Rica | c. Mexico | d. U.S
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13.
What are species called that are found only in one geographic location?
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14.
A balance between Earth's resources, human needs, and the needs of other species.
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15.
the process through which heat is trapped near Earth's surface by substances called "greenhouse gasses".
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16.
Industrial: Increase manufacturing, transportation, and communication efficiency Pro: Improves communication Con: Creates harmful CFC's
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17.
an introduced species to an environment that becomes overpopulated and harms its new environment.
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18.
Agricultural: Increase food productivity Pro: Contour farming Con: Pollution
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19.
Alternative: Providing clean energy to power society Pro: Decreases burning fossil fuels. Con: Expensive

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