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5 Written Questions

5 Matching Questions

  1. Limitations of Choices of Habitats
  2. Richer Learning Environment for Young:
  3. Big Horn Sheep reason for grouping
  4. Sheep habitat Home
  5. Matrilineally
  1. a Choice of a habitat may be limited by:
    • accessibility (islands versus mainland)
    • behavior patterns (i.e., prefer trees to grasslands)
    • predators
    • parasites
    • diseases
    • allelopathic agents (plant toxins)
    • competitors
    • abiotic factors (temperature, moisture, light, nutrients)
  2. b This suggested to be very important for primates and cetaceans.
    Dependence on learning provides for greater behavioral plasticity, but it requires a long period of physiological and psychological dependence
  3. c Sheep habitats consist of stable, long-lasting grass
    communities that exist in small patches where knowledge of
    location and predator avoidance is crucial.
  4. d most mammalian social systems are arrange matrilinearlly; mothers and their offspring may stay together and groups are this composed of mothers, daughters, aunts, and nieces
  5. e in bighorn sheep the locations of feeding areas and migration routes are remembered by older members of the band and this information is transferred to subsequent generations via tradition

5 Multiple Choice Questions

  1. At the turn of the last century it was estimated that there were only
    between 20 and 50 northern elephant seals remaining. Now there are about 160,000 and growing at 6% per year. This suggests a severe genetic bottleneck and a minimal amount of genetic diversity.
  2. Most juvenile pikas stay in their natal patch for life but individuals occasionally disperse both within and between patches of talus Of those that move 100 m or more,
    most were females
  3. Many organisms use geomagnetic cues. Marine Species follow the magnetic lineation in the seafloor, which are predominantly north-south. Other lineations oriented primarily east-west intersect these
    north-south lines; these east-west lines correspond to fracture zones
    across the spreading ridges
  4. The hippocampus
  5. 1. Cooperative care of the young
    2. Reproductive castes with non-reproductive members
    caring for reproductive nest mates
    3. Overlap between generations such that offspring assist
    parents in raising siblings

5 True/False Questions

  1. Frugivorous primate coloniesIn prairie dog colonies the amount of agonistic behavior per individual increases as a function of group size


  2. Lion Dispersal Patternmales leave (usually
    before 4 years old), to become nomads or form coalitions that take
    over new prides. Competition with other males is important as
    most departures occur when a new coalition takes over. Some
    males do leave voluntarily.


  3. Northern elephant seal migrationFood supply does not drive this migration, but it is suggested that it
    is to minimize heat loss in the newborns


  4. Moose and Deer Habitat HomeMoose and deer are more pioneer species and continuously
    colonize newly formed successional habitats that are formed by


  5. Testosterone in Belding's Ground Squirrelsdispersal appears to be the prenatal
    effects of testosterone on the male embryo during development
    and the attainment of critical body mass after birth.


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