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.
Competitive fitness of evolved populations. (A) The competitive fitness of evolved populations relative to their respective founders. (B) The competitive fitness of evolved populations relative to the E strain. For both panels, fitness is measured in percent per generation, and error bars show ±1 SEM (Datasets S3 and S4).
