DiscoverEvolution and the human family - AudioWhy are families getting smaller?
Why are families getting smaller?

Why are families getting smaller?

Update: 2010-04-01
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The current decline in family size seems to contradict the Darwinian model of inclusive fitness but it can be explained as a tradeoff between the cost of bringing up children and the number of children in a family.
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Why are families getting smaller?

Why are families getting smaller?

The Open University

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