Evolution 2

Question 1

Selfish Gene

Answer 1

gene that contributes to an individual’s fitness

Question 2

Cooperation

Answer 2

positive effect on both actor and recipient

Question 3

Selfishness

Answer 3

positive effect on actor, negative effect on recipient

Question 4

Altruism

Answer 4

negative effect on actor, positive effect on recipient

Question 5

Spite

Answer 5

negative effect on both actor and recipient

Question 6

Direct Fitness

Answer 6

fitness from personal reproduction

Question 7

Indirect Fitness

Answer 7

fitness from the reproduction of close genetic relatives

Question 8

Hamiltons Rule

Answer 8

• Rb>c
• C= reproductive cost to actor
• B = reproductive benefit to recipient
• R = degree of relatedness between two individuals

Question 9

Phenotype Matching

Answer 9

evaluation of relatedness between individuals based on an assessment of phenotypic similarity

Question 10

Direct Reciprocity

Answer 10

individuals help each other and both benefit

Question 11

Indirect Reciprocity

Answer 11

individuals help others who have helped others

Question 12

Intrasexual Selection

Answer 12

members of same sex compete with eachother for opposite sex

Question 13

Intersexual Selection

Answer 13

members of one sex prefer certain qualities in mates

Question 14

Different Adaptive Problems

Answer 14

• Metabolic Demands of Reproduction: eggs are very expensive
• Parental Investment: females have the baby, males don’t have to stay
  Genetic Cuckoldry: females know it is their child