Evolution

Edit Answers
123456789101112131415161718192021222324252627282930313233343536373839
Across
  1. 2. being picky about your mate
  2. 5. chance even kills off much of the population
  3. 7. ______ key can help identify organisms based on traits
  4. 8. Scientific name for humans (2wds)
  5. 10. the islands that Charlie D studied on
  6. 11. the closest relative of a human
  7. 16. reason we have modern crops and pets
  8. 18. Classification of life
  9. 20. structures that are similar because they came from a common ancestor
  10. 21. type of isolation separation by physical barrier
  11. 22. Change over time
  12. 24. All living things follow this: DNA-RNA-Protein=Traits
  13. 28. selecting for both extremes and against average phenotype
  14. 30. _________ Effect cause some to become the first in a new area
  15. 33. source of evidence that gives a timeline through the remains (2wds)
  16. 35. ____________ fossils are the link between major kingdoms or phyla
  17. 38. ____________ Evolution share a common ancestor
  18. 39. selecting for the average phenotype
Down
  1. 1. __________ isolation is how new species arise
  2. 3. structures with similar function but different underlying parts
  3. 4. type of isolation separation by time
  4. 6. Structures that have no current function but an ancestor had
  5. 9. simple graph/diagram that show evo connections by traits
  6. 12. study of developing vertebrates having similar stages
  7. 13. fossil that connects Reptiles to Birds (Dinosaur = chicken)
  8. 14. Random change in DNA
  9. 15. migration from one population to another mixing the gene pool (2wrds)
  10. 17. Father of Evolution
  11. 19. A trait that increases fitness
  12. 23. the great, great, great, great... grandparents of two species (2wds)
  13. 25. Collection of alleles in a population (2wds)
  14. 26. chance event changes gene frequencies (2wds)
  15. 27. __________ evolution is when unrelated organisms come to resemble each other
  16. 29. First letter of each level of taxonomy
  17. 31. the ability to survive and reproduce
  18. 32. __________ tree shows evo connections by time of common ancestor
  19. 34. selecting for one of the extreme phenotypes
  20. 36. survival of the fittest
  21. 37. type of isolation separation by actions