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5 Written questions

5 Matching questions

  1. Gasohol
  2. First Law of Thermodynamics
  3. Evapotranspiration
  4. Exotic Species
  5. Fission
  1. a Combination of evaporation and transpiration
  2. b Splitting of an atom into two atoms of lighter elements. This is basic of nuclear energy production
  3. c A blend of 90% gasoline and 10% alcohol, used to help extend gasoline supplies.
  4. d Law of Conservation of Energy. States that energy is never created but only converted from one form to another.
  5. e A nonnative species introduced to an area. may experience exponential growth due to a lack of natural predators, and take over valuable native species

5 Multiple choice questions

  1. A species where the population is declining, and may be endanger of extinction without positive human intervention. Reasons are habitat destruction and pollution. organisms include specialists that need specific habitat needs.
  2. A bay open to the ocean at one end and receiving fresh water from a river at the other end, hence mixing of fresh and salt water occurs.
  3. Test for presence of the bacteria Escherichia coli, typically found in the gut of humans and other mammals. Used to determine the contamination of a body of water. The presence of fecal coliform is an indication that harmful bacteria are present.
  4. refers to change over time. States that all species now on Earth descended gradually from ancestoral species through process known as natural selection.
  5. Ecosystems that are dependent on the fire for their reproduction and regeneration.

5 True/False questions

  1. Equilibrium theoryThe theory that ecosystems have natural checks and balances.


  2. Euphotic ZoneAn area in aquatic ecosystems where there is enough light penetration to support photosynthesis.


  3. EutrophicationA stage in the ecological succession of a lake where nutrient rich water provides abundant growth of algae and or other aquatic plants. Called middle-aged lake.


  4. Fuel assemblyRefers to rods containing nuclear fuel, usually uranium. The chain reaction in the fuel assembly is controlled by these rods.


  5. Fuel woodTakes into account all the food chains in an ecosystem.


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