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5 Written Questions

5 Matching Questions

  1. Biomass
  2. Herbivores
  3. Chemosynthesis
  4. Phosphorus cycle
  5. Heterotrophs
  1. a Organisms that rely on other organisms for their energy and food supply
  2. b Organisms that obtain energy by eating only plants
  3. c A measure of the total dry mass of organisms within a particular region
  4. d Process in which certain organisms (mostly specialized bacteria) extract inorganic compounds from their environment and convert them into organic nutrient compounds without the presence of sunlight. Compare photosynthesis.
  5. e Cyclic movement of phosphorus in different chemical forms from the environment to organisms and then back to the environment

5 Multiple Choice Questions

  1. Pertaining to life; environmental factors created by living organisms
  2. Anticipated increase in Earth's temperature, caused by carbon dioxide (emitted by burning fossil fuels) trapping some of the radiation emitted by the surface.
  3. Organisms that break down the dead remains of other organisms.
  4. All the organisms that inhabit a particular area; an assemblage of populations of different species living close enough together for potential interaction.
  5. The carnivores in an ecosystem; organisms that feed on primary consumers

5 True/False Questions

  1. PopulationA group of individuals of the same species that live together in the same area at the same time

          

  2. FermentationA group of individuals of the same species that live together in the same area at the same time

          

  3. AutotrophsOrganisms that rely on other organisms for their energy and food supply

          

  4. Aerobic respirationThe use of inorganic molecules other than oxygen to accept electrons at the "downhill" end of electron transport chains.

          

  5. Gross Primary Productivity (GPP)Rate at which all the plants in an ecosystem produce net useful chemical energy; equal to the difference between the rate at which the plants in an ecosystem produce useful chemical energy (gross primary productivity) and the rate at which they use some of that energy through cellular respiration. Compare gross primary productivity.

          

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