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5 Written questions

5 Matching questions

  1. Greenhouse effect
  2. Herbivores
  3. Gross Primary Productivity (GPP)
  4. Abiotic
  5. Anaerobic respiration
  1. a Anticipated increase in Earth's temperature, caused by carbon dioxide (emitted by burning fossil fuels) trapping some of the radiation emitted by the surface.
  2. b The use of inorganic molecules other than oxygen to accept electrons at the "downhill" end of electron transport chains.
  3. c Organisms that obtain energy by eating only plants
  4. d Nonliving; specifically, the nonliving components of an ecosystem, such as temperature, humidity, the mineral content of the soil, etc.
  5. e The rate at which an ecosystem's producers capture and store a given amount of chemical energy as biomass in a given length of time. Compare net primary productivity.

5 Multiple choice questions

  1. Cyclic movement of carbon in different chemical forms from the environment to organisms and then back to the environment.
  2. A measure of the total dry mass of organisms within a particular region
  3. All the organisms in a given area as well as the abiotic factors with which they interact; a community and its physical environment
  4. Diagram representing the flow of energy through each trophic level in a food chain or food web. With each energy transfer, only a small part (typically 10%) of the usable energy entering one trophic level is transferred to the organisms at the next trophic level. Compare pyramid of biomass, pyramid of numbers.
  5. A mixture of gases that surround the Earth

5 True/False questions

  1. OrganismsAll the organisms that inhabit a particular area; an assemblage of populations of different species living close enough together for potential interaction.

          

  2. Net Primary Productivity (NPP)The rate at which an ecosystem's producers capture and store a given amount of chemical energy as biomass in a given length of time. Compare net primary productivity.

          

  3. AutotrophsOrganisms that use energy from sunlight or inorganic substances to make organic compounds

          

  4. BiosphereThe entire portion of Earth inhabited by life; the sum of all the planet's ecosystems.

          

  5. Aerobic respirationThe process in which pyruvic acid is broken down and NADH is used to make a large amount of ATP; the part of respiration that is carried out in the presence of oxygen.