relationships Flashcards
What are the 2 types of sexual selection
Intersexual selection
Intrasexual selection
What is natural selection
traits of an individual that helped them survive are passed down to their offspring
What is intraselection
individuals of one sex must outcompete other members of their sex inorder to gain access to members of other sex
What is interselection
members of one sex evolve preferences of desirable qualities in potential mates
How does intraselection link with sexual selection
Characteristics that helped individuals to mate ie: strength size cunning, become more wide spread in the gene pool
What did David buss look for
Males and females looked for in a long term partner
What was David Buss’s procedure
- 10,00 people
- 37 cultures
- participants asked to rate 18 characteristics
- 4 point scale 0-3
- 3 being indispensable
- 0 being irrelevant
What were some characteristics participants were asked to rate in David Buss’s study
physical attractiveness
good financial prospect
What were the 4 findings in buss’s study
Resources
Physical attractiveness
Youth
Other important characteritics
Which gender placed more importance on physical attractiveness
Males
Which gender placed more importance on resources
Women
Which gender placed more importance on Youth
Men
Which gender placed more importance on other important characteristics
Both men and women wanted mates who were intelligent and kind
Why does it pay to be picky when choosing a mate
The genetic quality of a mate will determine half the genetic quality of any offspring
What do females look for when looking for a mate
- Able to invest resources into her and her children
- physically protect her and her children
- shows promise as a good parent
- sufficiently compatible to ensure minimal costs to her and her children
