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familial relationships 1 - Coggle Diagram
familial relationships 1
inclusive fitness
the ability of an individual organism to pass on its genes to the next generation, taking into account the shared genes passed on by close relatives
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Kin Selection
Hamilton's rule r x B >C
we will behave altruistically towards individuals who share more of our genes e.g. will hold a door open for a stranger (not costly) but wouldn't donate and organ (costly). more likely to for someone sharing our genes as we want our genes to survive.
Parental investment
time and effort an individual puts into rearing offspring - differs depending on number of offspring
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fast life history - less investment in lots of offspring, hoping some survive
depends on environmental and social pressures e.g. less offspring as modern medicine improves - fewer children required to ensure successful survival of genes
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