title: Birth-death symmetry in the evolution of a social trait.
authors.affiliation: Department of Mathematics, Queen's University, Kingston, ON, Canada. peter.taylor@queensu.ca
authors.forename: P
authors.initials: P
authors.lastname: Taylor
mesh_terms: D000533:Altruism; D005075:Biological Evolution; D005298:Fertility; D008136:Longevity; D008954:Models, Biological; D011157:Population Dynamics