Male allocation to ejaculation and mating effort imposes different life history trade-offs
by Meng-Han Joseph Chung, Rebecca J. Fox, Michael D. Jennions
When males compete, sexual selection favors reproductive traits that increase their mating or fertilization success (pre- and postcopulatory sexual selection). It is assumed that males face a trade-off between these 2 types of sexual traits because they both draw from the same pool of resources. Consequently, allocation into mate acquisition or ejaculation should create similar trade-offs with other key life history traits. Tests of these assumptions are exceedingly rare. Читать дальше...