Summative Review

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Across
  1. 4. The growth and expansion of city-like areas
  2. 6. The process of breaking something up into pieces
  3. 8. An educated guess about the experimental results based on previous observations
  4. 9. The process by which organisms with certain traits survive better in their environment
  5. 10. This is the variable that scientists measure in response to the change in the independent variable (the effect)
  6. 11. This is the variable that scientists use to change on purpose, or what is different between trials (the cause)
  7. 12. Variations of a gene
Down
  1. 1. Change in DNA that can affect an organism's trait
  2. 2. City-like area that is highly populated; opposite of rural
  3. 3. An organism’s ability to survive and reproduce in its environment in order to pass on genes to its offspring
  4. 5. Adjustments made by a species in a new environment in order to survive and reproduce
  5. 7. Certain attributes of the environment that decide which traits will increase survival and which will decrease survival