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.
Relations between sperm dimensions and mass-specific metabolic rate (MSMR) in eutherian mammals. (a) Maximum total sperm length; (b) total sperm length range. Each point represents one of six MSMR categories. MSMR values are log10 transformed.
