Introduction to Science & Biology

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Across
  1. 1. the systematic study of the physical and natural world through observation and experiment
  2. 4. the sum of all the planet's ecosystems
  3. 7. the group that does not receive the specific factor that is being tested
  4. 10. set of populations in the area
  5. 11. all the living AND nonliving things in a particular area
  6. 13. a broad explanation that is supported by large bodies of evidence
  7. 15. the variable that is measured during an experiment
Down
  1. 2. the group that receives the specific factor that is being tested
  2. 3. the individuals of a species living in a specific area
  3. 5. the regulation of an organism's internal environment; coordination of internal functions
  4. 6. the study of life
  5. 8. the variable that is manipulated during an experiment
  6. 9. the smallest unit of matter
  7. 12. a testable explanation for a set of observations
  8. 14. the fundamental unit of life