Natural variation in life history traits. Natural variation in mean lifetime fecundity (A) and mean lifespan (B) among C. briggsae isolates. Isolates are arranged along the x-axis in order of increasing ND5 deletion level. Bars show one standard error.
Estes et al. BMC Evolutionary Biology 2011 11:11 doi:10.1186/1471-2148-11-11