While most animals reproduce sexually, some species rely solely on females for parthenogenetic reproduction. Even in these species, rare males occasionally appear. Whether these males retain ...

Measurements of natural selection in hermaphrodite populations require the analysis of performance through both female and male sex functions. Here, we investigate selection on three floral traits: ...

The shape of the function that describes the relationship between resource allocation to sperm production and resulting male fertilization success (the male gain curve) plays a central role in models ...