Two very basic ideas in sexual selection are heavily influenced by numbers of potential
mates: the evolution of anisogamy, leading to sex role differentiation, and the frequency …

▪ Abstract In the two decades since Janzen described how to be a fig, more than 200 papers
have appeared on fig wasps (Agaonidae) and their host plants (Ficus spp., Moraceae). Fig …

This book presents the first unified conceptual and statistical framework for understanding
the evolution of reproductive strategies. Using the concept of the opportunity for sexual …

Recent decades have witnessed an explosion of theoretical and empirical studies of sex
allocation, transforming how we understand the allocation of resources to male and female …

Biological reactivity to psychological stressors comprises a complex, integrated system of
central neural and peripheral neuroendocrine responses designed to prepare the organism …

▪ Abstract Pair formation in social insects mostly happens early in adult life and away from
the social colony context, which precludes promiscuity in the usual sense. Termite males …

We propose a practical concept that distinguishes the particular kind of weaponry that has
evolved to be used in combat between individuals of the same species and sex, which we …

Discrete variation where one sex has more than one means of achieving the same
functional end, such as mating or nesting (alternative strategies and tactics), requires an …

This review is an introduction to theoretical models and mathematical calculations for
biological evolution, aimed at physicists. The methods in the field are naturally very similar to …

In recent years there has been a large body of theoretical work examining how local
competition can reduce and even remove selection for altruism between relatives. However …