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Social Behavior - Coggle Diagram

- - - - benefits to the recipient is great
      - cost to the altruist is low
      - participants are closely related
- - - - males
        
        haploid
        
        develop from unfertilized eggs
      - females
        
        diploid
        
        develop from fertilized eggs
    - - sisters share all of the genes inherited from their father and half the genes received from their mother (the colony's queen)
      - to their own offspring, females have the usual relatedness of 1/2
      - females can maximize their inclusive fitness by acting as workers and investing in the production of sisters, rather than by acting as reproductives
  - - - an individual can be certain that future siblings will be full siblings
      - a new brother or sister increases an individual's inclusive fitness just as much as an offspring does
      - if a species' life history or the ecological conditions make helping easier than reproducing, then eusociality is favored by selection