ultural environment. We would have to return to the old days, to the economic arrangements and family
types of the past. Short of this, we can only continue forward toward ever fewer children and ever more
old people: the overturning of the population pyramid. That's where we're headed.
"We are an old species."
Overturning of the
Global Population Pyramid
Density Dependent Birth Rates: "We are becoming an urban species."
|The History of Life on Earth
clan/ group patriarchal nuclear bachelor, single
marriage slavery family parent, homosexual