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5 Written questions

5 Matching questions

  1. Hydrosphere
  2. Primary consumers
  3. Atmosphere
  4. Secondary consumers
  5. Heterotrophs
  1. a Organisms that are unable to produce their own energy. They must eat producers to obtain energy. Also called: consumers.
  2. b Organisms that rely on other organisms for their energy and food supply
  3. c The carnivores in an ecosystem; organisms that feed on primary consumers
  4. d The earth's liquid water (oceans, lakes, other bodies of surface water, and underground water), frozen water (polar ice caps, floating ice caps, and ice in soil, known as permafrost), and water vapor in the atmosphere. See also hydrologic cycle.
  5. e A mixture of gases that surround the Earth

5 Multiple choice questions

  1. Organisms that eat living producers and/or other consumers for food
  2. Cyclic movement of phosphorus in different chemical forms from the environment to organisms and then back to the environment
  3. The 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
  4. The entire portion of Earth inhabited by life; the sum of all the planet's ecosystems.
  5. Process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches.

5 True/False questions

  1. StratosphereThe layer of Earth's atmosphere that extends from the troposhere to the mesosphere; concentrations of ozone cause it to get warmer as you go up in this layer.

          

  2. ProducersOrganisms that eat living producers and/or other consumers for food

          

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

          

  4. CarnivoresOrganisms that eat other animals for energy

          

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