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.
The relative density of cooperator (PAO1) to lasI (filled circles) and lasR (open circles) cheats in different experimental treatments in the lowest resource concentration. Values above the reference line denote relatively higher cooperator fitness and values below the line relatively higher cheat fitness. Bars show ±1 s.e.m.
