1. Chapter 3 Opener: Sanderling growth & behavioral development depend on genes & environment

2. 3.1 Development of worker behavior in honey bees

3. 3.2 Gene activity varies in the brains of nurse bees and foragers

4. 3.3 Social environment and task specialization by worker honey bees

5. 3.4 Levels of the messenger RNA produced when the for gene is expressed

6. 3.5 Imprinting in greylag geese

7. 3.6 Cross-fostering has different imprinting effects in two related songbirds

8. 3.7 Spatial learning by chickadees

9. 3.8 A Clark’s nutcracker holding a seed in its bill that the bird is about to cache underground

10. 3.9 Differences within a species in learned behavior

11. 3.10 Nests of Polistes paper wasps contain odors that adhere to the bodies of the wasps

12. 3.11 Kin discrimination in Belding’s ground squirrels

13. 3.12 Evidence for the ability of Belding’s ground squirrels to learn their own odor

14. 3.13 Different wintering sites of blackcap warblers

15. 3.14 Funnel cage for recording the migratory orientation of captive birds

16. 3.15 Differences in the migratory behavior of two closely related birds

17. 3.16 Why do people differ in their test scores? (Part 1)

18. 3.16 Why do people differ in their test scores? (Part 2)

19. 3.17 A single gene affects maternal behavior in laboratory mice

20. 3.18 Social amnesia is related to the loss of a single gene

21. 3.19 Genetic differences cause behavioral differences in fruit fly larvae (Part 1)

22. 3.19 Genetic differences cause behavioral differences in fruit fly larvae (Part 2)

23. 3.20 A coastal Californian garter snake about to consume a banana slug

24. 3.21 Response of newborn, naive garter snakes to slug cubes

25. 3.22 A tongue-flicking newborn garter snake senses odors from a cotton swab

26. 3.23 Density effects on the foraging behavior of fruit fly larvae

27. 3.24 Response to artificial selection on nest-building behavior by mice

28. 3.25 Response to artificial selection on the fall migration departure date of blackcap warblers

29. 3.26 Dogs are especially sensitive to signals from human beings

30. 3.27 Surrogate mothers used in social deprivation experiments

31. 3.28 Socially isolated rhesus infants

32. 3.29 Developmental homeostasis in humans (Part 1)

33. 3.29 Developmental homeostasis in humans (Part 2)

34. 3.30 Facial symmetry and attractiveness

35. 3.31 Testing mate choice in a female wolf spider

36. 3.32 Developmental switch mechanisms can produce polyphenisms within the same species

37. 3.33 Tiger salamanders occur in two forms

38. 3.34 Activity of the gene that codes for gonadotropin-releasing hormone in Haplochromis burtoni

39. 3.35 Male thynnine wasps can be deceived into “mating” with a flower

40. 3.36 Male thynnine wasps can learn to avoid being deceived by an orchid

41. 3.37 Spatial learning abilities differ among members of the crow family (Part 1)

42. 3.37 Spatial learning abilities differ among members of the crow family (Part 2)

43. 3.38 Sex differences in spatial learning ability are linked to home range size

44. 3.39 A virtual maze used for computer-based studies of navigational skills

45. 3.40 Sex differences in the hippocampus

46. 3.41 Operant conditioning exhibited by a rat in a Skinner box

47. 3.42 Biased learning

48. 3.43 Biases in taste aversion learning

49. 3.44 Vampire bats cannot form learned taste aversions