Unit 12 Vocab

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Across
  1. 2. network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem
  2. 3. organism that obtains energy by eating both plants and animals
  3. 5. physical, or nonliving, factor that shapes an ecosystem
  4. 8. organism that is able to capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds; also called a producer
  5. 10. each step in a food chain or food web
  6. 13. animal that consumes the carcasses of other animals
  7. 14. any living part of the environment with which an organism might interact
  8. 17. a group of organisms of one species that interbreed and live in the same place at the same time.
  9. 18. all the organisms that live in a place, together with their nonliving environment
  10. 19. organism that obtains energy by eating only plants
  11. 21. process in which chemical energy is used to produce carbohydrates
  12. 23. illustration of the relative amounts of energy or matter contained within each trophic level in a given food chain or food web
Down
  1. 1. organism that obtains food by consuming other living things; also called a consumer
  2. 4. assemblage of different populations that live together in a defined area
  3. 6. organism that obtains energy by eating animals
  4. 7. scientific study of interactions among organisms and between organisms and their environment
  5. 9. process used by plants and other autotrophs to capture light energy and use it to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches
  6. 11. organism that feeds on plant and animal remains and other dead matter
  7. 12. a series of steps in an ecosystem in which organisms transfer energy by eating and being eaten
  8. 15. classification comprising related organisms that share common characteristics and are capable of interbreeding
  9. 16. a group of ecosystems that share similar climates and typical organisms
  10. 20. part of Earth in which life exists including land, water, and air or atmosphere
  11. 22. organism that breaks down and obtains energy from dead organic matter