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5 Written questions

5 Matching questions

  1. Extinction
  2. Eutrophic
  3. Fission products
  4. Exotic Species
  5. Eutrophication
  1. a The death of all individuals of a particular species. This results in loss of genes and biodiversity.
  2. b A 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.
  3. c The natural aging process of a lake that is greatly accelerated by human actions. also called cultural eutrophication, casued by additions of nutrients mainly nitrogen and phosphorus
  4. d Refers to the atoms, usually radioactive and the subatomic particles resulting from the splitting of atoms in a nuclear reactor.
  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. occurs when habitats are divided into a patch work of intact forest land and deforested lands.
  3. A blend of 90% gasoline and 10% alcohol, used to help extend gasoline supplies.
  4. Splitting of an atom into two atoms of lighter elements. This is basic of nuclear energy production
  5. 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.

5 True/False questions

  1. First Law of ThermodynamicsLaw of Conservation of Energy. States that energy is never created but only converted from one form to another.

          

  2. Environmental ScienceThe branch of science that studies environmental issues.

          

  3. Fossil fuelsEnergy sources that come from millions of years of heat and pressure acting upon prehistoric photosynthetic organic matter. Ex. crude oil, coal, natural gas

          

  4. Fire Climax ecosystemsRefers to the atoms, usually radioactive and the subatomic particles resulting from the splitting of atoms in a nuclear reactor.

          

  5. Environmental ResistanceThe branch of science that studies environmental issues.