ANTH2700 T9 1

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purplerubycrystal
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81205
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ANTH2700 T9 1
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2011-04-22 22:52:20
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ANTH2700 T9
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ANTH2700 T9 1
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  1. gibbon juvinile period...2
    • until 4-4.5y
    • play behavior (but less than other primates and only with yonger sibling)
  2. benifits/functions of play...3
    • develompent/refinment of physical skills
    • learn the rules of objects
    • develop social skills/bonds
  3. gibbon subadult/adult life...
    • 4-6y/6+
    • threat gestures from adults
    • mate and form new social unit
  4. The area that a group defendes against it's own species.
    territory
  5. where do gibbon territorial conflicts take place?
    ...how large os this area?...
    • at the overlap of group territories
    • 23-69m wide
  6. a gibbon conflict...4
    • vocalisation
    • display
    • chase
    • rare actual fighting
  7. the purpose of gibbon territorial behavior...2
    • preventing concentration of animals
    • control population size
  8. habitit explanation of galenda social groups...2
    • larger groups are more secure in terrestrial habitat
    • big groups split when resources are scarce
  9. galenda behavior is dependent on...2
    • age
    • sex
  10. galenda infant phase...2
    • until 18 months
    • black-dark-brown coat
    • focal point of group (protection)
    • coat changes to red at 6-18m
  11. galenda juvenile phase...3
    • begins at weaning (1-1.5y)
    • independence
    • play groups
  12. galenda subadult female...3
    ...male?...3
    • 3.5-4.5y
    • associates with other females and offspring
    • 3.5-6y
    • keeps growing
    • sexually dimorphic traits (canines, fur cape)
  13. whyn would large groups lead to greater sexual dimorphism?
    greater number af females leads to more intrasexual selection.
  14. members of typical galenda harem...
    • (11 members)
    • 1 male
    • 5 adult females
    • 5 juveniles and infants
  15. galenda harem unit...
    • females bond (grooming)
    • male on periphery
    • outside females threatened
  16. Behavior that involves fighting, threats, and fleeing.
    agonistic behavior
  17. what is the difference between agonistic behavior and agression?...2
    • a broad range of dominance and submission behaviors are agonistic
    • dysplay and gesture instead of fighting
  18. some agonistic gestures...6
    • staring
    • raising eyebrows
    • lunging in space
    • slapping the group
    • jerking head back and forth
    • displaying teeth
  19. galenda juvenile male...3
    • first play groups
    • then the all-male group
    • they becomes a "follower male" to a harem
  20. galenda juvenile female...3
    • first play groups
    • puberty-interest in males and infants
    • sexual maturity-interest in group leader
  21. the two ways harems form...
    • young female and follower male start a new group
    • follower male attacks older male and takes control of harem
  22. Among galendas, a social group consisting of a number of harems and all-male units
    band
  23. Among galendas, a large social unit consisting of several bands that come together under very good grazing conditions
    herd
  24. A multimale group found among baboons and other primates
    troop
  25. well-studied primate besides humans and chimps...
    ...why?...2
    • savanna baboons
    • because they are easy to see in their wide open habitit
    • because anthropologists are interested in the fact that humans anf baboons both adapted to the savannah
  26. two explainations for variability in social organization within one species...
    • environment
    • learned behavioral patterns
  27. baboon troops/home range...
    • about 40 animals
    • stay within distinct boundaries of home range
    • no defened territorries
    • extentisive home range overlap
    • troops ignore each other
  28. Sections within the home range of a primate population that may contain a concentration of food, a source of water, and a good resting place or sleeping trees, and in which most of the troop's time is spent
    core area
  29. size of the core area depends on...2
    • size of troop
    • concentration of food
  30. baboon diet...3 groups
    • primarily grass
    • seeds, flowers, fruit
    • insects, small reptiles, mammal flesh
  31. A system of social ranking based on the relative dominance of the animals withinn a social group.
    dominance hierarchy
  32. The situation in which one animal can cause another to move away from food, a sitting place, and so on.
    displacement
  33. A behavior involving a subordinate primate showing his or her anal region to a dominant animal
    presenting
  34. A behavioral patten whereby one animal jumps on the posterior area of a second animalas a part of the act of copulation or as a part of dominance behavoir
    mounting
  35. most dominant baboon male...6
    • good physical condition
    • offspring of highest-ranking females
    • supported by other dominant males
    • can keep position even in old age
    • recieves preference of food
    • dominates reproductive females
  36. behavoirs that show the dominance hirerachy in baboons...3
    • displacement
    • presenting
    • mounting
  37. female baboon dominance hirearchy...3
    • less often than males
    • determined by mother's rank
    • more significant to females than to males
  38. subadult baboon male...2
    • leaves their troop
    • oftern dies on dangerous journey
  39. the relative position of females dependes on...
    • whether she is sexually receptive
    • whether she has an infant
  40. reproductive cycle of baboon is how many days long?...
    35
  41. a mature ovum moves from the ovary to the fallopian tube
    ovulation
  42. period of sexual receptivity; does not occur during pregnancy or lactation
    estrus
  43. Act of female mammal producing milk
    lactation
  44. A temporary alliance between a male and an estrus female.
    consort pair
  45. sexual signs...2
    • sexual skin swelling
    • olfactory cues
  46. why will the dominant males probably father most of the baby baboons?
    because the subordinate males make the first advances and the dominant males copulate around the time of ovulation
  47. A small group of closely related females that engage in a high degree of grooming.
    grooming cluster

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