Chapter 1 Biology

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Across
  1. 3. process by which scientists investigate the natural world; involves the testing of hypotheses through observation and experiment
  2. 6. a tentative, testable explanation for an observed phenomenon
  3. 7. the study of life
Down
  1. 1. the adjustable condition in an experiment
  2. 2. set of disciplines that focus on varying aspects of the living world
  3. 4. the gradual modification of populations of living things over a period of time; sometimes results in the development of new species
  4. 5. a general set of principles. supported by evidence, that explains some aspect of nature