BIOL 1001 Lecture Notes - Lecture 16: Sexual Selection, Gamete, Operational Sex Ratio
21 Feb 2017
School
Department
Course
Professor
Document Summary
Not all males successful but all females are. Widow birds drop tail feathers after mating season and grow normal tails (able to y normal: two pressures of the tail length, so compromise is made. Sexual selection is a result of the different roles the genders make in investment (females generally more than males) Intrasexual gives access to females (more successful if can beat others, protect status to get their) Intrasexual: is conspeci cs w/ in the same gender. A let can be intrasexual and intersexual: females are looking and males are ghting. Intersexual: this is a adjective not meaning , males advertise themselves for females, females constantly reward those males who do this, ex with antlers, big antlers not being chosen those who win are. Certainity of parenting: males sometimes suffer from uncertainty of parenting. !1: females will have bigger egg but produce less (especially in birds, they are very.
