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Beschreibung
Karteikarten von J yadonknow, aktualisiert more than 1 year ago
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Erstellt von J yadonknow
vor etwa 6 Jahre
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| Frage | Antworten |
| Altruism/ Cooperation | Effect on self Effect on others + - + Mutualistic Selfish - Altruistic Spiteful |
| Explanation for selfish behaviour | Direct benefit to ID |
| Explanation for spiteful behaviour | Indirect benefit to ID |
| Reason for parental care | Offspring have parental genes, help maximise genetic contribution to future generations |
| Coefficient of relatedness | G. similarity of 2 individuals relative to the population as a whole |
| C.O.R btw. parent + offspring | 0.5 |
| C.O.R btw siblings | 0.5 |
| C.O.R grandparents/aunts/uncles | 0.25 |
| "Genes eye view" of selection DIRECT FITNESS | Maximise reproductive success of ID it's in |
| INDIRECT FITNESS | Maximise reproductive success of ID who are likely to share copies of that gene |
| Inclusive fitness | Direct fitness + indirect fitness |
| Kin selection is an example of | Inclusive fitness AND Altruism |
| What is altruism? | Helping another individual at the cost of one's own survival and reproductive capabilities |
| Why killing offspring is favourable | Kill off weaker offspring so competition is reduced, maximises their own direct fitness |
| Hamilton's rule used to ___: | Identifies conditions under which altruism will be favoured due to kin selection |
| Kin selection according to Hamilton's rule | kin selection causes genes to increase in frequency when r*B-C > 0 |
| Hamilton's rule | r*B-C > 0 r = C.O.R btw. actor // recipient B = Benefit to rec. C = Cost to actor |
| Examples of extreme altruism | Suicide + sterility in eusocial insects |
| C.O.R of male drones w/ queen | Haploid 1 C.O.R w/ queen |
| C.O.R of females | diploid 0.5 |
| Table for C.O.R of eusocial haplodiploid insects | Male Female Mother 1 0.5 Daughter 1 0.5 Sisters 0.5 0.75 |
| Naked mole rats hierarchy | Reproductive division of labour 1 reproductive queen 1-3 reproductive males |
| Why are they such a close-knit hierarchy? | High COR Overlap of generations |
| What sort of coop do they engage in? | Coop brooding Coop foraging |
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