Summative 1 Review

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