Definitions for rat project

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Across
  1. 3. is an organism's ability to survive and reproduce, ultimately passing its genes to the next generation
  2. 5. selection is the theory that living things which are better adapted to their environment have a better chance of surviving and reproducing
  3. 7. is the internal, biological changes within an organism that enhance its ability to thrive in a specific environment
  4. 9. is the variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.
  5. 10. (born February 12, 1809, Shrewsbury, Shropshire, England—died April 19, 1882, Downe, Kent) was an English naturalist
  6. 13. is the resemblance of one species to another
  7. 14. is an adaption that enables a species to blend with its environment
Down
  1. 1. are the features in different species that have similar functions but do not share a common ancestry or evolutionary origin
  2. 2. is a process that results in small genetic mutations over a long period of time
  3. 4. is an inherited trait that increases an organism's chance in surviving and reproducing in its environment
  4. 6. is the seasonal movement of animals from one region to another.
  5. 8. is a process where humans consciously choose and breed organisms
  6. 11. are the anatomical features or organs that have lost much or all of their original function in the course of evolution
  7. 12. is the anatomical features in different species that share a common evolutionary origin