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5 Written Questions

5 Matching Questions

  1. first trophic level
  2. omnivores
  3. Biogeochemical Cycles
  4. ecosystem
  5. energy
  1. a PRIMARY PRODUCERS occupied by plants, algae and some bacteria
  2. b the community of organisms and the abiotic factors in its habitat
  3. c most important factor controlling kinds and numbers of organisms.
  4. d eats both plants and animals
  5. e Energy flows through ecosystems in 1 direction.

    sun --> producers --> consumers --> decomposers --> heat

5 Multiple Choice Questions

  1. 33%
  2. the most influential material that determines ecosystem inhabitants

    (most influential part of matter)
  3. The liquid portion of water on Earth (lakes, streams, oceans)
  4. All major kingdoms of life represented: plants, animals, fungi, protists, and bacteria.
  5. 50%

5 True/False Questions

  1. Energy pyramidgraphic devices used to illustrate the flow of energy through ecosystems

          

  2. Decompositionbacteria and fungi that cause decay also returns nutrients to the environment

          

  3. biotic factorthe physical, non-living aspects of a habitat, such as soil, water, climate, etc.

          

  4. assimilationincorporation of materials into the body of an organism.

          

  5. Respirationevaporation of water from the leaves of plants.

          

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