agression

Question 1

what does aggression achieve

Answer 1

-high social status
-dominance
-superior access to resources and mates

Question 2

dominance hierarchy’s with chickens

Answer 2

-originally discovered in groups of domestic chickens called the ‘peck order’
-ritualised fighting for chickens

Question 3

how do humans compete for status

Answer 3

-western: dominance asserted in work success
-courtship tool= more partners

Question 4

face shape and social dominance

Answer 4

-heavier jaw= more dominant
-males with higher T levels are more dominant and therefore attractive

Question 5

personality type A or B

Answer 5

-A is more a go-getter where B is more chilled and relaxed and generally not as successful
-type A people tend to die faster from coronary heart disease

Question 6

costs of being type A

Answer 6

-costs only seen if you are a low-ranking type A

Question 7

intrasexual combat

Answer 7

-winners get more mates
-two males fighting can be risky but rewarding
-often fighting for territory or mates or nesting sites as without these resources you can’t reproduce

Question 8

feel lemurs and their hierarchy

Answer 8

-intersexual aggression

Question 9

sexual cannibalism

Answer 9

-female eats male, during or after copulation
-e.g. preying mantis eat males during copulation as the female is bigger
-females lay 30% more eggs who eat their male
-adaptive for males because so many males can pass along their genes due to reproductive success, but only good if the female doesn’t reproduce with someone else

Question 10

siblicide

Answer 10

-occurs in eagles where the older chick kills or pushes the younger one out the nest
-adaptive because the older eagle is dependent on environments and resources- selfish
-parents can’t predict how much food there will be

Question 11

infanticide in hanuman langurs

Answer 11

-adults kill other individuals offspring
-langurs bite baby langurs to death
-groups overseen by single dominant male
-example of this happening is when a new male coming into the group and killing all the babies so all the babies produced after him will be his , and more females to mate with as they don’t have to look after their offspring

Question 12

sociobiology debate

Answer 12

controversy whether behaviour was determined by gees and therefore untangle or biologically/culturally determined

Question 13

child abuse in humans

Answer 13

-children with stepparents more likely to be abused or murdered
-40% more likely to get physically abused

Question 14

what are 2 key issues with evolutionary psychology

Answer 14

-untestable hypothesis-ignorance or active avoidance of sociological factors