Co-operation And Altruism Flashcards Preview

Key Ideas In Animal And Human Behaviour > Co-operation And Altruism > Flashcards

Flashcards in Co-operation And Altruism Deck (14)
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0
Q

What are the levels of selection?

A
  • George Williams: adaptation and natural selection
  • individual who takes more than his share of resources
  • outcompetes rest of group and produces more selfish offspring
  • group becomes
1
Q

What are the problems of group living?

A
  • free riders
    Eg the velvet money
  • according to nature selection free riders should prosper
2
Q

What are immortal coils?

A

Genes

3
Q

What is behaviour that benefits another at a cost to oneself?

A
  • parental care
  • sharing food
  • alarm calls
  • alliances
4
Q

What’s the genes eye view?

A
  • relatedness

- in diploid species a gene has 50% chance of being passed onto offspring

5
Q

What is hamitons rule?

A

Imagine a gene for altruism.

  • benefit =b
  • cost = c

B7 R donor to offspring
— ————————
C R to recipient offspring

6
Q

What is social insects?

A

The pinnacle of cooperation

7
Q

What is the definition of eusociality?

A
  • reproduction division of labour
  • cooperation are of young
  • overlapping generations
  • evolved independently repeatedly
8
Q

What is hapiodiploidy?

A

Relatedness in Hymenoptera

9
Q

What is the evolution of eusociality?

A
  • natural selection favours a sisters investment in her mothers reproduction rather than her own
10
Q

What are eusocial models?

A
  • love in desert regions of East Africa

- upto 80 individuals in colony but only one female breeds (queen)

11
Q

What is evolution of reciprocity?

A
  • in one shot PD, defection is stable

- axelrod 1984 organised a computer tournament of iterated pd

12
Q

What is reciprocal altruism in nature?

A
  • blood melas in vampire bats (Wilkenson 1984)

- regurgitation is a non zero sum game

13
Q

What is evolution of ethics?

A

The golden rule

  • do unto others as you would have then do unto you