Biology Review Crossword

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Across
  1. 2. A single step in a food chain or food web
  2. 7. Organisms that consume dead animal remains that they did not kill
  3. 8. Group that is exposed to the same conditions as the experimental group except for the independent variable
  4. 10. Populations of different animals that live and interact with each other in a defined area
  5. 11. Particular preference or point of view that is personal rather than scientific
  6. 12. A group of organisms belonging to the same species that interact with each other
  7. 15. Process in which light energy is used to produce carbohydrates
  8. 16. Process where a researchers' work is evaluated by other experts in the same field before it is published or accepted.
  9. 17. The maintenance of relatively constant internal conditions despite changes in external environment
  10. 18. Organisms that consume decomposing organic matter or feces
  11. 19. Organism that is able to capture energy from sunlight or chemicals and use it to produce its own food
Down
  1. 1. A community of organisms that interact with their environment
  2. 3. Organisms that kill and consume other animals
  3. 4. Non-living factors of an environment
  4. 5. Study of interactions among organisms and between organisms in their environment
  5. 6. Variable that is observed and that changes in response to the experimental treatment
  6. 8. Process in which chemical energy is used to produce carbohydrates
  7. 9. Organisms that chemically break down dead organic matter into simple nutrients
  8. 11. Living factors in an environment
  9. 13. variable that is being changed in a controlled experiment
  10. 14. A well tested explanation that unifies a broad range of observations