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5 Written questions

5 Matching questions

  1. Population
  2. Detritivores
  3. Decomposers
  4. Aerobic respiration
  5. Biotic
  1. a Organisms that break down the dead remains of other organisms.
  2. b Commonly digest decomposers that live on, and in, detritus particles, which they chew and grind into even smaller pieces.
  3. c Pertaining to life; environmental factors created by living organisms
  4. d The 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.
  5. e A group of individuals of the same species that live together in the same area at the same time

5 Multiple choice questions

  1. The pathways by which chemicals circulate through ecosystems that involve both living (biotic) and nonliving (geological) components.
  2. 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
  3. Organisms that use energy from sunlight or inorganic substances to make organic compounds
  4. Nonliving; specifically, the nonliving components of an ecosystem, such as temperature, humidity, the mineral content of the soil, etc.
  5. Organisms that produce their own food

5 True/False questions

  1. HeterotrophsOrganisms that use energy from sunlight or inorganic substances to make organic compounds


  2. EcologyThe study of how living things interact with each other and their environment


  3. BiosphereA mixture of gases that surround the Earth


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


  5. 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.


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