Evolution

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Across
  1. 1. similar group of living organism that can interbreed to create fertile offspring
  2. 4. species evolve in short periods of rapid change
  3. 6. differences
  4. 9. better adaptation to environment live on while others die
  5. 11. Parents with desired traits to pass down for next generation
  6. 13. has no function so it grew smaller
  7. 14. how well an organism survives and reproduces in its environment
  8. 15. species that all member are dead
Down
  1. 2. thought out explanation or observation that has been tested with the scientific method
  2. 3. best fit for environment survive and reproduce better then others
  3. 5. slow and steady
  4. 7. man who came up with the theory of modern species evolved over millions of years
  5. 8. DNA segment
  6. 10. changing to fit one's environment
  7. 12. change in genes,raw material for evolution