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