Classification and Evolution Final Review

1. Classification and Evolution Final Review

2. The difference in the physical traits of an individual from those of other individuals in a group is called a(n)

3. Answer Variation

4. Over time, adaptations can lead populations to experience

5. Answer Genetic Changes

6. What did Charles Darwin observe in finch populations on the Gal�pagos Islands off the coast of South America?

7. Answer Different species on different islands

8. What did Charles Darwin learn from the fossils of a giant armadillo that he found in Argentina?

9. Answers Modern animals may be related to fossilized organisms.

10. Fossils of marine organisms high in the Andes Mountains led Darwin to conclude that

11. Answer Great change can happen over time.

12. The development by scientists of a new color in a rose is the result of

13. Answer Artificial Selection

14. In natural selection, the selective agent is the

15. Environment

16. All the rabbits living in a particular area would be an example of a(n)

17. Answer Population

18. A bird that can easily outcompete other birds for food and that can produce many eggs has a high

19. Answer Fitness

20. Biogeography is the study of the

21. Answer Distribution of organisms around the world

22. What is suggested by the similarity of early embryos of different species of vertebrates?

23. Evolution from a distance common ancestor

24. Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known as

25. Answer Homologous structure

26. If an organism has a vestigial structure, that structure likely once had a function in a(n)

27. Answer Early ancestor

28. The correct order for the levels of Linnaeus's classification system, from general to specific, is

29. Answer Kingdom, Phylum, Class, Order, Family, Genus, Species

30. Which of the following is correctly written in the binomial nomenclature system?

31. Answer Italics? First word needs to capitalized? Second word does not

32. Which of the following taxa would generally contain the most members?

33. Answer K,P,C,O,F,G,S

34. Which phrase best describes the Linnaean classification system?

35. Answer Each level includes the more specific levels below.

36. One limitation of the Linnaean classification system is that it

37. Answer Based on physical characteristics only.

38. Woese separated the kingdom Monera into the following two kingdoms:

39. Answer Bacteria and Archaea

40. Which of the following lists the three domains accepted by most scientists?

41. Answer Eukarya, Archaea, Bacteria

42. Which description distinguishes eukaryotes from prokaryotes?

43. Answer Eukaryotes have cells with organelles such as a nucleus

44. Single-celled prokaryotes that are classified by their ability to survive extreme conditions are

45. Answer Archaea

46. What characteristic of fungi makes them different from plants?

47. Answer They do not feed in the same way Plants: photosynthesis Fungi: Decomposers

48. Which of the following is an example of a vestigial structure?

49. Answer The wing of an ostrich