Skip to main content
. Author manuscript; available in PMC: 2011 Jul 26.
Published in final edited form as: Hum Nat. 2011 Jul 1;22(1-2):16–40. doi: 10.1007/s12110-011-9111-y

Fig. 2.

Fig. 2

Energy balance optimization of production effort for a female who is neither pregnant nor lactating. Optimal production effort (E) lies at point where lines (horizontal and vertical dotted lines) intersect, maximizing the difference between EC (energy consumed) and ES (energy spent).