Philethea Duckett

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
for analyzing the data on several of the indicators presented in this report; James Colliver and his colleagues at the Substance Abuse and Mental Health Services Administration (SAMHSA) for providing data analysis on the serious psychological distress indicator; William Sabol and Heather West of the Bureau of Justice Statistics for providing data analysis(More)
Density effects can have a strong influence over both the mating system of a species and the reproductive strategies of individuals. The way in which males respond to an increase in the density of other male competitors is generally explained by sperm competition theory. When the perceived risk of sperm competition is high, males increase reproductive(More)
  • 1