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Across
  1. 2. a microscopic agent that infects cells.
  2. 5. a rapid change in biological processes.
  3. 6. an individual living being.
  4. 7. the interaction between organisms in an ecosystem.
  5. 8. the capacity of a living being to perform vital functions.
  6. 10. single-celled microorganisms.
  7. 14. related to the molecules of life.
  8. 15. the molecule that contains genetic information.
  9. 16. fungi that decompose organic matter.
  10. 17. related to the structure of the body.
  11. 18. the condition that allows growth, reproduction, and response to the environment.
Down
  1. 1. the science that studies living things.
  2. 3. study based on observation and experimentation.
  3. 4. working together to achieve a biological goal.
  4. 9. repeated forms in nature.
  5. 11. the set of conditions that surround a living being.
  6. 12. living beings that feed on other organisms.
  7. 13. the variety of living things in a place.