Description

Percent reduction in crawl speed (resistance) in the garter snake after injection of the neurotoxin tetrodotoxin from the rough-skinned newt (Taricha granulosa).

Format

A data frame with 12 observations on the following 2 variables.

locality

a factor with levels: Benton and Warrenton

resistance

a numeric vector

Source

Geffeney, S., E.D. Brodie, Jr., P.C. Ruben, and E.D. Brodie III. 2002. Mechanisms of adaptation in a predator-prey arms race: TTX-resistant sodium channels. Science 297: 1336-1339.

References

http://www.sciencemag.org/cgi/content/abstract/297/5585/1336

Examples