RELATIONSHIPS

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Investment is one feature of the investment model of relationships. Identify one other feature of the investment model of relationships.
Comparison with alternatives
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What is anisogomy?
Difference in male and female sex cells (gametes)
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What is - Sperm is cheap, males are fertile throughout life, they're unsure of paternity
Male demands/ reasons
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What is - Eggs are expensive, fertile for around 30 years, sure of maternity
Female demands/ reasons
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What is this - Choosy, long term mating
Female HRB
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What is - Short term mating, Promiscuous
Male HRB
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What is the males inter sexual selection?
Young, attractive, fertile females
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What is this? Males compete against other males for fertile females
Male intra sexual selection
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Other cards in this set

Card 2

Front

What is anisogomy?

Back

Difference in male and female sex cells (gametes)

Card 3

Front

What is - Sperm is cheap, males are fertile throughout life, they're unsure of paternity

Back

Preview of the front of card 3

Card 4

Front

What is - Eggs are expensive, fertile for around 30 years, sure of maternity

Back

Preview of the front of card 4

Card 5

Front

What is this - Choosy, long term mating

Back

Preview of the front of card 5
View more cards

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