Relationships: evolutionary explanation

Question 1

What is anisogamy

Answer 1

two sex cells (or gametes) that are different coming together to reproduce.

Question 2

What is significant about male sex cells

Answer 2

sperm cells are able to reproduce quickly with little energy expenditure and once they start being produced they do not usually stop until the man dies.

Question 3

What is significant about female sex cells

Answer 3

Female gametes (eggs or ova) are released in a limited time frame (between puberty and menopause) and require much more energy to produce.

Question 4

What is intersexual selection

Answer 4

when one gender makes mate choices based on a specific characteristic in the other gender

Question 5

What do women look for in a man

Answer 5

Long term relationship
Resources (intelligence)
Mesomorph physique
Sharp jawline (testosterone)

Question 6

What do men look for in a woman

Answer 6

Short term relationships
0.7 waist to hip ratio (fertility)
Smooth, youthful skin
Neotenous features (small nose big lips)

Question 7

What is intra sexual selection

Answer 7

Intrasexual selection refers to competition between members of the same sex for access to a mate of the opposite sex.

Question 8

What does anisogamy suggest about males reproductive behaviour

Answer 8

men’s best evolutionary strategy is to have as many partners as possible.

Question 9

What is the sexy sons hypothesis

Answer 9

If they have made a good choice, then their offspring will inherit the positive features of their father and are therefore also more likely to be chosen by women or men in the next generation.