Bonus point crossword

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Across
  1. 5. two birds have different beak shapes but came from a common ancestor.
  2. 7. ____ are specific characteristics of an individual that are inherited
  3. 8. ____ are organisms that were only alive during a certain era or time.
  4. 12. ______ is the division of cells.
  5. 13. sharks and whales have the same body shapes, but are not related.
  6. 14. ______ structures are structures that have the same purpose but not the same structure.
  7. 15. Scientific names are written or typed in _____.
  8. 16. the exchange of characteristics from parent to offspring
  9. 19. more males are affected with a trait than females.
  10. 20. Dna replicates ____ in mitosis.
Down
  1. 1. the study of heredity
  2. 2. they are different forms of genes.
  3. 3. A group of Irish settlers move to the USA in 1743.
  4. 4. the process by which cells become more specialized.
  5. 6. ______ structures are structures thatare seen in an organism that do not serve a function.
  6. 9. In order for species to go through speciation they must be _____.
  7. 10. ______ structures are structures that are found in animals that have the same structure but not the same function.
  8. 11. RR
  9. 17. short
  10. 18. ______happens in G1 phase.