Transcript
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Social Behavior
Members of the same speciesUsually live full-time in groupsCan refer to predator-prey
interactions
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Group Living
Animal society – stable group of individuals of the same species that have cooperative relationships outside of mating and raising young.
Invertebrates and vertebrates
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Advantages to Group Life
Protection from predatorsIncrease feeding efficiencyProtection from elementsEasy access to potential mates
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Mating Behavior
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Disadvantages of Group Life
Competition for resourcesDiseasesParasites
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Aggression
Agonistic behaviorAttacksThreat displaysMaintains territoryMaintains dominance hierarchy
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Altruism
Individual sacrifices reproductive potential for the benefit of others in the group– Honeybees– Turkeys– Naked mole rats
Kin selection