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5 Written questions

5 Matching questions

  1. Decomposers
  2. Gross Primary Productivity (GPP)
  3. Fermentation
  4. Secondary consumers
  5. Tertiary consumers
  1. a A catabolic process that makes a limited amount of ATP from glucose without an electron transport chain and that produces a characteristic end product, such as ethyl alcohol or lactic acid.
  2. b Animals that feed on animal-eating animals. They feed at high trophic levels in food chains and webs. Examples are hawks, lions, bass, and sharks. Compare detritivore, primary consumer, secondary consumer.
  3. c The carnivores in an ecosystem; organisms that feed on primary consumers
  4. d Organisms that break down the dead remains of other organisms.
  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. All organisms that are the same number of energy transfers away from the original source of energy (for example, sunlight) that enters an ecosystem. For example, all producers belong to the first trophic level, and all herbivores belong to the second trophic level in a food chain or a food web.
  2. Commonly digest decomposers that live on, and in, detritus particles, which they chew and grind into even smaller pieces.
  3. Organisms that obtain energy by eating only plants
  4. Cyclic movement of sulfur in different chemical forms from the environment to organisms and then back to the environment.
  5. A consumer that eats both producers and other consumers

5 True/False questions

  1. StratosphereThe lowest layer of the atmosphere, in which temperature drops at a constant rate as altitude increases; the part of the atmosphere where weather conditions exist

          

  2. Food chainSeries of steps in an ecosystem in which organisms transfer energy by eating and being eaten.

          

  3. Natural greenhouse effectAnticipated increase in Earth's temperature, caused by carbon dioxide (emitted by burning fossil fuels) trapping some of the radiation emitted by the surface.

          

  4. Phosphorus cycleCyclic movement of sulfur in different chemical forms from the environment to organisms and then back to the environment.

          

  5. 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.

          

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