Eyespan width (mm; Eye.span) in 45 stalk-eyed flies
(Cyrtodiopsis dalmanni) fed a corn or cotton diet (Food).
A data frame with 45 observations on the following 2 variables.
- food
a factor with levels Corn
Cotton
- eye.span
a numeric vector
Source
David, P., T. Bjorksten, K. Fowler, and A. Pomiankowski. 2000.
Condition-dependent signalling of genetic variation in stalk-eyed flies.
Nature 406: 186-188.