Evolution

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Across
  1. 5. the taxa above family
  2. 7. a feature that allows an organism to better survive in its environment
  3. 8. who developed the theory of evolution by natural selection
  4. 9. male grackles performing a courtship dance to attract females is an example of this mechanism
  5. 10. two organisms changing in response to each other
  6. 14. movement of genes into or out of a population
  7. 15. the mechanism by which evolution occurs
  8. 16. diagram showing evolutionary relationships
  9. 17. structures such as the wings of bats and the wings of bees
  10. 19. evolution pattern that results in analogous structures
  11. 23. evolution pattern that results in homologous structures
  12. 24. study of prehistoric life
  13. 28. structures such as the wings of bats and the arms of humans
  14. 29. form of reproduction involving the exchange of genetic material between two individuals
  15. 31. bursts of evolutionary change followed by periods of stability
  16. 32. any preserved remnant of an organism
  17. 36. also known as divergent evolution
  18. 37. study of chemical processes in organisms
Down
  1. 1. forming a new species by evolution
  2. 2. the two-name naming system to scientifically name an organism
  3. 3. large-scale changes affecting species across populations
  4. 4. level of taxonomy that includes Archaebacteria, Eubacteria, and Eukarya
  5. 6. form of reproduction that produces genetically identical individuals from one parent
  6. 11. structures that serve no apparent purpose in an organism
  7. 12. small-scale changes affecting a small population
  8. 13. the vestigial structures of genetics
  9. 17. study of the structures of organisms
  10. 18. biochemistry involves comparing DNA and amino acid _____
  11. 20. differences in the physical traits of organisms
  12. 21. slow changes over a long period of time
  13. 22. the most general taxa
  14. 25. when there are no changes in the allele frequencies in a population
  15. 26. levels of classification from kingdom to species
  16. 27. allows gene flow to occur
  17. 30. the combined alleles of all individuals in a population
  18. 33. random change in the frequency of alleles of a population over time
  19. 34. field of science involved in classifying and naming organisms
  20. 35. the most specific taxa