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2. What is the formation of 2 or more species from an existing species called?

3. Speciation

4. What are the two famous evolution scientists we discussed?

5. Lamarck & Darwin

6. Fitness is the ability of an organism to ________________ and ______________________?

7. Survive; Reproduce

8. Paleontology is the study of _______________.

9. Fossils

10. Where did Darwin travel to on his expedition?

11. Galapagos Islands

12. What species is often associated with Darwin’s work?

13. Finches

14. ________________ _____________, or remnants of organs or structures that had a function in an earlier ancestor.

15. Vestigial Structures

16. What did Darwin notice about the type of bird that he observed?

17. Different beak sizes

18. A dog had her tail bobbed shortly after birth. This is an example of what kind of trait?

19. Acquired

20. The difference in the physical traits of an individual from those of other individuals in the group to which it belongs is ____________.

21. Variation

22. The separation of populations by barriers such as rivers, mountains, or bodies of water is called _____________.

23. Geographic Isolation

24. Body parts that are similar in structure (have a common ancestor) but perform different functions are called ______________________.

25. Homologous Structures

26. The idea that each living species has descended with changes from other species over time is called ______________________.

27. Descent with Modification

28. Darwin’s concept of evolution was not influenced by a. Lamarck b. observations c. his trip on the Beagle d. DNA

29. d. DNA

30. The combined genetic information of all members of a particular population is the population’s ___________ _____________.

31. Gene pool

32. Darwin journeyed to the Galapagos on the HMS ____________________.

33. Beagle

34. When dog breeders breed the two strongest dogs, this is an example of __________ ______________.

35. Artificial Selection

36. What is the name of Charles Darwin’s work?

37. On the Origin of Species

38. When species cannot interbreed because of mountains or other barriers, this is _________________ isolation.

39. Geographic

40. Darwin’s Theory of Evolution is also known as “___________ of the _____________.”

41. Survival of the Fittest

42. A mechanism by which individuals that have inherited beneficial adaptations produce more offspring on average than do other individuals is known as _____________ ____________

43. Natural Selection

44. What is a feature that allows an organism to better survive in its environment?

45. Adaptation

46. The Galapagos Islands are located off of the coast of which country?

47. Ecuador in South America

48. Who proposed the theory on the evolution of acquired characteristics?

49. Lamarck

50. ____________ is the change over time.

51. Evolution