Bio 1B - SG6P3
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| Sustainability | A balance between Earth's resources, human needs, and the needs of other species.
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| Ecological (carbon) footprint | The amount of carbon emitted and its environmental impact.
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| Greenhouse effect | the process through which heat is trapped near Earth's surface by substances called "greenhouse gasses".
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| invasive species | an introduced species to an environment that becomes overpopulated and harms its new environment.
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| Explain the influence humans have on the three biogeochemical cycles we discussed in concept 2. | 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.
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| List examples of renewable and nonrenewable sources. | Renewable: oxygen, wood, water, sunlight, and wind.
Nonrenewable: fossil fuels, metals and plastics.
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| Summarize the goals of each type of technology, and include one positive and one negative outcome for each. | Agricultural
Alternative
Industrial
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| Agricultural | Agricultural: Increase food productivity
Pro: Contour farming
Con: Pollution
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| Alternative | Alternative: Providing clean energy to power society
Pro: Decreases burning fossil fuels.
Con: Expensive
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| Industrial | Industrial: Increase manufacturing, transportation, and communication efficiency
Pro: Improves communication
Con: Creates harmful CFC's
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| Replace the italicized word to make the statement true: GENETIC DIVERSITY, refers to the variety of ecosystems that are present in the biosphere. | ECOSYSTEM DIVERSITY
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| In which location would you expect to find greater species diversity? a. Canada | b. Costa Rica | c. Mexico | d. U.S | B. COSTA RICA
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| Describe 3 indirect services the biosphere provides. | -flood protection,
-bees making pollen,
-natural processes provide drinking water that is safe for human use
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| Name 2 ways in which eutrophication can be reduced in waterways. | participating in sustainable agricultural practices, reducing pollutants
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| What are species called that are found only in one geographic location? | endemic species
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| What is the process of using living organisms to detoxify a location? | Bioremediation
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| Describe 2 key contributors to global warming | Fossil fuels and CFC's
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| List three ways humans threaten biodiversity | 1) Destroying habitats
2) Pollution
3) Introducing invasive species
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| Differentiate between direct & indirect economic value of biodiversity | 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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