Social Systems Flashcards
(50 cards)
What are the benefits of living in groups?
Antipredator, foraging, information, reproduction , physiology
What are macropodid social groups like?
Mob structure. Dominance hierarchy, ritualised conflict, boxing
What is matrilineal fission-fusion?
Groups come together and split apart based on how the environment is
Why do cetacea come together in social groups?
Herding prey, bubble nets, bait balls, carousel feeding
What are the other antipredator effects of living in a group?
Disorientation, poor targeting, predator confusion
What is cuckoldry?
Adulterous wife, males invest parental effort in offspring that are not genetically their own
What is asocial group?
Avoiding interaction. Only come into contact during reproduction or territorial situations
What is the inclusive fitness formula?
Benefit/cost > 1/relatedness
How is aggression increased within a group?
More fighting within conspecifics about resources being caught
Why is kin selection important?
More likely to help those who they are most related to
What are social groups in pinnipedia?
Social haul outs for reproduction
What are the costs in relation to foraging?
Kelptoparasitism, prey sharing, increased aggression, increased visibility to prey
How are there variable costs and benefits in paenugulata social groups?
Caused by the environment they live in. Continuously manipulating the environment
What is the selfish herd?
Animals are in the heard for their own benefit. Geometry of selfish herd. Always try to be closer to the middle
What is social groups variable in relation to?
Temporal and spatial
What is the tiered sociality associated with the paenungulata?
Mother-calf, family, bond-kinship groups, clans, sub-populations
What is eusocial?
Highest level of sociality. Cooperative brood care, overlapping generations
What happens in vampire bat social groups?
Share blood meals
How is social learning increased in groups?
Pups are taught by adults about behaviour, foraging and prey handling.
What is kelptoparasitism?
One animal takes the prey or food from another. Smaller animals lose their kill
What are the costs associated with reproduction from living in groups?
Increased competition, cuckoldry, reproductive suppression
How do chiropter live in social groups?
Hibernacula roost of many thousands, maternity roost, leks
What are badger social groups like?
Social clans, not cooperative, forage individually.
What is the theory of eusociality in fossorial mammals?
Should be used as a means of using abundant food supplies
