Ecology Quiz 1

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Across
  1. 3. Natural home or environment of an animal, plant, or other organism
  2. 4. Act of giving up one benefit in order to gain another, greater benefit
  3. 5. Organism that breaks down wastes and dead organisms. Decomposes organic material to break down into soil
  4. 7. Organism that obtains energy by feeding on other organisms
  5. 10. factors All the living organisms that inhabit an environment
  6. 14. Plankton consisting of small animals and the immature stages of larger animals
  7. 15. species Species that migrate into an ecosystem or are deliberately or accidentally introduced into an ecosystem by humans
  8. 18. Variety of life in the world or in a particular habitat or ecosystem
  9. 20. Living things
  10. 21. System of interlocking and interdependent food chains
  11. 22. Gets energy from the sun through photosynthesis
  12. 23. Biological community of interacting organisms and their physical environment
Down
  1. 1. Microscopic organisms that live in aquatic environments; includes both phytoplankton and zooplankton
  2. 2. Microscopic, free-floating, autotrophic organisms that function as producers in aquatic ecosystems
  3. 6. Study of how living things interact with each other and their environment
  4. 8. Information, facts or data supporting a claim, assumption or hypothesis
  5. 9. Living thing
  6. 11. species Introduced organism that becomes overpopulated and harms its new environment
  7. 12. Group of organisms of the same species populating a given area
  8. 13. Non-living things
  9. 16. species Species that normally live and thrive in a particular ecosystem
  10. 17. factors Nonliving components of environment
  11. 19. All the different populations that live together in an area