SEXUAL SELECTION CONTENT

What is a consequence of anisogamy?

Fertile females are rare, whilst fertile males are far more available

What did Buss (1995) discover?

Because females make a greater investment, they choose males who are able and willing to invest in their offspring, increasing reproductive success

What were the results of Buss (1989) study on partner preferences?

Men valued physical attractiveness more, men valued younger women more and women valued financial success and ambition more

How does cross-cultural research support sexual selection?

If similar findings, patterns or trends are found in different areas of the world it suggests a universality in nature, being innate and natural to all humans

what is the handicap hypothesis? (Zahavi 1975)

When maladaptive characteristics don’t affect the owner’s health and ability, showing great survival skills indicating their fitness

What are examples of sexual dimorphism?

Males being larger, favouring neotenous features, preference for men with strong jaws and large noses and finding facial symmetry more attractive

What did Singh (1993) find?

There is a preference for a 0.7 waist to hip ratio in women