1. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 8 Population Genetics and Natural Selection

2. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Comparison of Potentilla size Figure 8.4 8-1 Source: Bonnier 1890

3. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Influence of local climate on morphology Figure 8.6 8-2 Source: Kerner 1895

4. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Stem/flower lengths of Campanula rotundifolia Figure 8.8 8-3 Source: Turesson 1925

5. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Growth responses by Potentilla glandulosa Figure 8.10 8-4 Source: Clausen, Keck, and Hiesey 1940

6. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Winter rainfall among Suromalus obesus sites Figure 8.12 8-5 Source: Case 1976

7. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Winter rainfall and chuckwalla size Figure 8.13 8-6 Source: Case 1976

8. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chuckwalla body lengths after experiment Figure 8.14 8-7 Source: Tracy 1999

9. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Color patterns in Asian lady beetle Figure 8.16 8-8 Source: after Dobzhansky 1937 and Tan 1946

10. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Population size and genetic diversity Figure 8.18 8-9 Source: Ledig et al. 1997

11. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Genetic variation in mainland versus island populations Figure 8.19 8-10 Source: Frankham 1996

12. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Genetic variation in mainland versus island endemic populations Figure 8.20 8-11 Source: Frankham 1996

13. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Vegetation height versus changes in lizard morphology Figure 8.23 8-12 Source: Losos et al. 1997

14. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Hindlimb length and perch diameters Figure 8.24 8-13 Source: Losos et al. 1997

15. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Radius of native and introduced fruits Figure 8.25 8-14 Source: Carroll and Boyd 1992

16. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Fruit radius and beak length Figure 8.26 8-15 Source: Carroll and Boyd 1992

17. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Common garden approach to studying genetic variation Figure 8.28 8-16 Source: Clausen, Keck, and Hiesey 1940

18. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Using gel electrophoresis to study genetic variation Figure 8.29 8-17