generate together the milieu of biological
wealth with which humans and all life participate, but which have contributed enormously to American civilization.
This geological & biological wealth is characterized by:
1. Red Queen hypothesis (running faster to stay
in place); both a metaphor & a condition.
2. Natural, sexual & artificial (technology) selection: corn, horses, cattle, cotton.
3. All side effects are nonetheless effects as intrusions: fur trade, mining, cities.
4. Rates of restoration vary depending on contingent factors, forests, aquifers, springs, wildlife and fisheries.
Biology, history and geography impose inevitable limitations to which all life