Social behavior in animals

Question 1

Purpose of dominance hierarchies

Answer 1

reduces energy expenditure on conflicts

Question 1

Agnostic behavior

Answer 1

competition in the same species over limited resources

Question 2

Altruistic

Answer 2

reduces individual fitness increases fitness of recipient

Question 3

Inclusive fitness

Answer 3

Overall ability of individual to pass on genes to next gen

Question 4

Haplodiploidy

Answer 4

Males are from unfertilized egg and haploid (sterile), females are diploid from fertilized egg

Question 5

Coeff of relatedness in hymenoptera between full sisters

Answer 5

0.75

Question 6

Coeff of relatedness in hymenoptera between full brothers

Answer 6

0.25

Question 7

Coeff of relatedness in hymenoptera between queen and children (son or daughter)

Answer 7

0.5

Question 8

Coeff of relatedness in hymenoptera between drone father and diploid daughter

Answer 8

1

Question 9

What assumption do we make with haplodiploidy

Answer 9

Queen only mates with 1 drone

Question 10

Calculate coeff of relatedness

Answer 10

(1/2)^n n=level of ancestry or descendancy

Question 11

Hamiltons rule

Answer 11

rB>C (r=coeff of relation, B=benefit to recpient (amt of projected offspring), C = cost to altruist (amount of projected offspring * risk))

Question 12

Intersexual

Answer 12

mate choice

Question 13

Intrasexual

Answer 13

suitor choice

Question 14

What does intersexual competition cause

Answer 14

sexual dimorphism

Question 15

What does intrasexual selection cause

Answer 15

selection of fittest

Question 16

Good genes hypothesis

Answer 16

Genetically superior mates produce fitter offspring