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LEARNING UNIT 2 (EVOLUTION AND BEHAVIOUR (Culture (Definition (group or…

- - - - group or society
        
        share morals, rules, values
    - - Land ownership
        
        Staying in one place
        
        Food and resources
        
        In favor of men
    - - Relatively egalitarian
  - - - Altriusm
        
        self sacrifice
        
        Benefits another
        
        Reciprocal altruism
        
        Helping another
        
        Expect the same in return
      - cooperation
        
        Leads to survival
        
        Advantages outweigh disadvantages
      - spitefulness
        
        Both participants lose.
      - Selfishness
        
        Less chance to survive.
        
        one loses, one wins
        
        short term benefits
  - - - investments from male and females
        
        Females
        
        sharper limitations
        
        number of children produce
        
        males
        
        goal
        
        pass genes
    - - "within"
        
        same sex
        
        competes for another
    - - "between"
        
        Characteristics from one sex
        
        attract another
- - - - variability
        
        between siblings
  - - - 2 people share copies of allele
        
        from common ancestor
  - - - produces characteristics
        
        phenotype
        
        observable
- - - - Environmental pressures
        
        Force organisms to adapt
    - - error
        
        in DNA
    - - Moving
        
        New Location
        
        Geographical
        
        Adapting to new location
    - - change
        
        frequencies in alleles
        
        over generations
        
        because of chance
    - - evolutionary feature of change
        
        improves functions
        
        for better chance to survive
      - cause is Natural selection