Biology 7

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Across
  1. 3. random neutral mutations
  2. 4. 2 species evolve together
  3. 6. Scientific classification
  4. 7. Group diversifies
  5. 10. Survival of the fittest
  6. 12. Separates species on cladogram
  7. 15. Different structures same uses
  8. 16. Study of early development
  9. 17. Species no longer present
  10. 19. Fertilized egg
  11. 20. Unused structures
Down
  1. 1. No change to rapid change
  2. 2. Same structure different uses
  3. 5. Shows derived characters
  4. 8. Master control genes
  5. 9. Explains the 1st eukaryotic cells
  6. 11. Small change
  7. 13. Large change
  8. 14. change through geologic time
  9. 18. evolve to be similar