Evolution Study Guide- Answer KEY

Evolution: all the changes that have transformed life over time

1. Acquired traits can be passed on

2. Heritable traits are passed on

3. Natural Selection

4. Descent with Modification

5. Phenotype

6. Genotype

7. Alleles

8. Gene

9. Dominant

10. Recessive

11. Variations

12. trait

13. mutations

14. genetic recombination

15. gametes

16. alleles

17. Gene pool

18. Alleles

19. Blonde

20. Gene pool/ population

21. Change in environment

22. Random event

23. Immigration or emigration

24. Not random

25. Random

26. Random

27. Yes

28. No, decreases genetic variation

29. Yes, increases genetic variation

30. Adaptations stay in gene pool/ speciation

31. More of one type of variation decreases/ Speciation

32. Populations become more similar/ no speciation

33. (answers will vary)

34. (answers will vary)

35. (answers will vary)

36. Macroevolution

37. Speciation

38. Species

39. Speciation

40. Isolated

41. Smaller

42. Variations

43. Speciation

44. Species

45. Reproduce

46. Fertile offspring

47. Populations

48. Reproduce

49. Speciation

50. Behavioral

51. Different courtship or mating rituals

52. Speciation

53. (answers will vary)

54. Geographic

55. Geographic barrier (lake, mountains, river) prevents mating

56. Speciation

57. (answers will vary)

58. Temporal

59. Different mating times

60. Speciation

61. (answers will vary)