sperm to fertilize eggs than do the other two species and shows very little distinction between ... number of taxa with external fertilization, many of which.
BY THOMAS F. HANSEN & DAVID HOULE. "Organisms.. have not done nearly as much evolving as we should reasonably expect". Williams (1992, p 128).
in a Free-Spawning Invertebrate. DON R. LEVITAN. Ecology Program, School of Life and Health Sciences, University of Delaware,. Newark, Delaware 19716.
Contents. 1. Introduction. 274. 1.1. Evaluating distribution, abundance, and diversity of .... sumed to the point that coral reefs crumble and recovery of damaged reefs ..... tion on what is really a multidimensional interconnected network of causal.
Mar 22, 2004 - Increasing the likelihood of fertilization can be energetically costly to both adults and ... variety of egg sizes could result in a similar number of settling offspring. Although the ...... energetic trade-off; given a certain amount of energy, sperm can move quickly for a short ... sperm (or pollen) and retain eggs.