Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Three-dimensional plot illustrating the effect of male luminance and dominance rank on fecundity. Note that greater saturation of blood leads to darker, and thus less luminous, sex skin. The plot was created with ‘Excel 3D Scatter Plot’ macros available for free at http://www.doka.ch/Excel3Dscatterplot.htm.
