1. Evolution Review

2. What is the ultimate source of variation?

3. Mutations

4. What process does this picture represent?

5. Natural Selection

6. Organisms with desirable traits are more likely to survive long enough to reproduce and carry on those desirable traits.
This definition describes _________________.

7. Natural Selection

8. Which Layer of rock is the oldest?

9. A

10. What type of dating fossils do scientist compare layers of rock to determine the relative age of a fossil?

11. Relative dating

12. Any change in a DNA sequence is called a ___________.

13. Mutation

14. The picture shows an example of
Homologous structures
Vestigial structures
Mutation
An adaptation

15. B. Vestigial Structure

16. What does the picture below represent
What does the picture below represent? (evidence that all organisms evolved from a common ancestor)

17. Homologous structures

18. Who is credited with the theory of natural selection?

19. Charles Darwin

20. Comparing different organisms' skeletal structures, DNA, and embryonic structures all provide evidence that supports the theory of
a. selective breeding. c. evolution.
b. genetic resistance. d. species separation.

21. c. evolution.

22. Which of the following is not a mechanism that contributes to evolution?
a. genetic drift c. embryology
b. mutation d. natural selection

23. c. embryology

24. Two methods of dating fossils

25. Absolute and relative dating.

26. When an individual travels to a new population and introduces new genes into that population by breeding, this is called

27. Migration (gene flow)

28. A single bacterium divides and begins a new population
A single bacterium divides and begins a new population. All resulting bacteria have identical DNA. This population has no
a. Selection c. adaption
b. Variation d. overpopulation

29. b. Variation

30. When an individual has a trait that helps it survive in an environment, the trait is called a(n)

31. adaptation

32. Which of these is Not a method that changes the gene frequency in populations over time?
Mutations
Genetic drift
Overproduction
Natural selection
Sexual selection

33. c) Overproduction

34. This is called ___________.
Of all the sea turtles that hatch in a year, only 1 of 10,000 will survive to adulthood to reproduce.
This is called ___________.

35. Overproduction

36. When humans produce organisms with desirable traits, this is called

37. Artificial selection

38. In what type of rock are most fossils found?

39. Sedimentary rock

40. Hardened remains of organisms found in rock that provide evidence that organisms have changed over time are called

41. fossils

42. The study of looking at organisms at their embryo stages is called _____________ and suggests that all organisms evolved from a common ancestor.

43. Name four pieces of evidence that supports the theory of evolution

44. Homologous structures
Fossil Records
Vestigial Structures
Embryology
Biochemistry

45. The situation below is an example of ________ which can cause a population to change over time.

46. Migration- An organism travels to a new population and shares it’s traits there.

47. A random process that can cause a population’s variation to change is called __________.

48. Genetic drift

49. The situation below represents what mechanism causing evolution?
1.  2.  3.  4.

50. Natural Selection
1.  2.  3.  4.

51. Evolution can only occur if a population has
Speciation
Variation
Mutations
Many different species living together

52. Picture This!
What word does each picture represent

53. Homologous Structures

54. Vestigial Structures

55. Extinction

56. Speciation

57. Carrrying Capacity

58. Charles Darwin

59. Natural Selection

60. Embryology

61. Fossils

62. Relative Dating

63. Absolute Dating