Chapter 10: cooperation

Question 1

cooperation

Answer 1

two or more idividuals working together so they both benefit (dont have to be related)

Question 2

how has cooperation evolved?

Answer 2

1. kin selection
2. reciprocity
3. biproduct mutualism

Question 3

altruism

Answer 3

behavior of an individual that reduces their fitness in order to increase the fitness of another

Question 4

reciprocal alturism

Answer 4

the act of cooperating or helping other that help you in return

Question 5

game theory

Answer 5

mathematical tool used when the “payoff” of an action from one individual depends on what another individual wants to do

Question 6

prisoner’s dilema

Answer 6

version of game theory looking at cooperation vs cheating

Question 7

evolutionary stable strategy

Answer 7

if all members of a population adopt it, no mutant strategy (new strat) can invade or provide higher fitness

Question 8

tit for tat strategy

Answer 8

individual initially cooperates with a new partner

Question 9

byproduct mutualism

Answer 9

a situation wher ethe immediate benefit of cooperating outweighs the immediate cost

Question 10

coalitons

Answer 10

a cooperative action taken by at least 2 individuals or groups against another individual or gorup

Question 11

Alliance

Answer 11

A long term coalition

Question 12

Where does biproduct mutualism usually occur?

Answer 12

Harsher environments

Question 13

How does biproduct mutualism differ from reciprocity?

Answer 13

There is no temptation to cheat meaning it’s always better to cooperate

Question 14

First order alliance

Answer 14

2-3 males that keep a female close and act aggressively if she tries to escape

Question 15

Second order alliance

Answer 15

2 first order alliances working together to take a female from another first order alliance

Question 16

What other species exhibit 2nd order alliance?

Answer 16

Humans