Unit 3: Social Behaviour

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Cfe Higher Cfe Higher | Biology (Unit 3 : Sustainability & Interdependence) Flashcards on Unit 3: Social Behaviour, created by Ellie Potellie on 06/03/2019.
Ellie Potellie
Flashcards by Ellie Potellie, updated more than 1 year ago
Ellie Potellie
Created by Ellie Potellie over 5 years ago
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Question Answer
What Behaviours Do Social Animals Adapt Into Group Living? •Social Hierarchy •Co-operative Hunting •Social Defence
What Is Social Hierarchy? The rank order with a group of animals consisting of a Dominant and sub-ordinate members
What Behaviours Do Dominants & Sub-ordinates Carry Out? •Dominant individual carries out ritualistic behaviours (threat) •Sub-ordinate individuals carry our appeasement behaviour
What Are The Benefits Of Social Hierarchy? S.H increases the chances of the dominant animals favourable genes being passed on to the offspring
Why Is Co-operative Hunting Efficient & Beneficial? More food is gain than foraging alone. Less energy used per individual therefore increasing the chance of success
What Are The Benefits Of Social Defence? Increases the chances of survival as some individuals watch for predators whilst others forage
What Is Altruism? Altruistic behaviour damages the donor but benefits the recipient
Where Do Altruistic Behaviour Occur? It is most common between related individuals (Kin)
How Does The Donor Benefit From Kin Selection? The donor benefits in kin selection in terms of the increased chances of survival of shared genes in the recipients offspring or future offspring
What Is Reciprocal Altruism? Reciprocal Altruism occurs in some social animals, this is where the favour is returned by the recipient to the donor.
What Are Examples Of Social Insects? •Ants •Bees •Wasps •Termites
What Is The Social Insect Hierarchy Structure? •Only Queens and drones contribute re productively •All other members are sterile and are workers that work co-cooperatively to raise relatives
Give Examples Of Primates •Human •Gorillas •Chimps
How Do Primates Learn Social Behaviours? Primates have long periods of parental care to allow learning of complex social behaviours
How Do Primates Support Social Hierarchy? Complex social behaviours support social hierarchy. This reduces conflict through ritualistic behaviour displays & appeasement behaviour
What Are These Complex Behaviours? •Grooming •Facial expression •Body Posture •Sexual Presentation
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