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5 Written questions

5 Matching questions

  1. Water in living organisms
  2. ecosystem inhabitants
  3. ecosystem
  4. What must happen to matter?
  5. What percentage of energy does an herbivore convert into its own body mass?
  1. a the community of organisms and the abiotic factors in its habitat
  2. b 10%
  3. c It must be recycled between organisms and the environment

    Closed pathways by which matter is cycled through ecosystems
  5. e All major kingdoms of life represented: plants, animals, fungi, protists, and bacteria.

5 Multiple choice questions

  1. graphic devices used to illustrate the flow of energy through ecosystems
  2. 50%
  3. Energy flows through ecosystems in 1 direction.

    sun --> producers --> consumers --> decomposers --> heat
  4. the living (organism) aspects of a habitat.
  5. amount of energy available decreases as it passes through an ecosystem.

5 True/False questions

  1. Levels of organizationcells --> tissues --> organs --> organ systems --> organism --> population --> community


  2. Food webthe path of energy through a single set of throphic levels.


  3. habitatwhere a population lives.


  4. Erosionthe study of the interactions of living things with one another and their environment.


  5. first trophic levelPRIMARY PRODUCERS occupied by plants, algae and some bacteria