Regents Review - Key Idea 1 Crossword

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Across
  1. 2. All of Earth’s ecosystems, collectively; the biologically inhabited portions of Earth, including all of the water, land, and air in which organisms survive
  2. 5. An organism that survives by eating animals
  3. 8. The specific role played by an organism or a population of organisms in the ecosystem
  4. 9. An organism that eats only plants
  5. 11. An organism that produces its own food; the source of energy for all other living things on Earth
  6. 13. An organisms that survives by living and feeding on other organisms
  7. 14. An animal that is hunted and killed by predators
  8. 16. A carnivore that feeds on the bodies of dead organisms
  9. 18. A diagram showing how food energy moves through the ecosystem
  10. 21. An animal that hunts and kills other animals for food
  11. 22. A combination of all the different populations that live and interact in the same environment
  12. 24. The process by which an existing community is replaced by another community
  13. 25. Every living and non-living thing that surrounds an organism
  14. 28. The struggle between organisms for the same limited resources in a particular area
  15. 29. A representation of many interconnected food chains that shows the feeding relationships among producers, consumers, and decomposers
Down
  1. 1. The largest population of any single species that an area can support
  2. 3. A representation that identifies the specific relationships among organisms
  3. 4. The living parts of the environment
  4. 6. An organism that cannot make its own food; a consumer
  5. 7. An organism that makes its own food from light energy and inorganic materials
  6. 10. The variety of species in an area
  7. 12. The organism in a parasitic relationship that provides the home and/or food for the parasite
  8. 15. An organism, generally a bacteria or fungus, that consumes dead organisms and organic waste
  9. 17. Nonliving parts of the environment
  10. 19. The study of how living things interact with each other and with their environment
  11. 20. The place where a plant or animal lives
  12. 23. Any factor in the environment that limits the size of a population
  13. 24. All the living and non-living things that interact in a specific area; a subdivision of the environment
  14. 26. An organisms that obtains it’s energy from producers
  15. 27. All the individuals of a single species that live in a specific area