Grassland Ecology.

Since the beginning of time, humans have been unable to live in ecological balance. No matter where we happen to live on Earth, we eventually outstrip the environment. This has always led to competition as a means of survival, and warfare has been the inevitable consequence of our ecological demographic propensities. And while realizing this the question that came up is whether humans are genetically programmed to be this way. Or do we have the …

…different animal species - including bats, bees, flies, moths, beetles, birds, and butterflies - provide free pollination services. One third of human food comes from plants pollinated by wild pollinators. References: http://sociologyesoscience.com/civilization_start/civilization_p.1.html http://tiger.towson.edu/~awarni1/neolithic_revolution.htm http://en.wikipedia.org/wiki/Industrial_Revolution http://www.colorado.edu/GeolSci/courses/GEOL1070/chap04/chapter4.html http://www.msu.edu/course/isb/202/ebertmay/notes/snotes/01_26_06_CO2.html