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Behavioral adaptations and the minimization of reproductive costs in the male red-sided garter snake, Thamnophis sirtalis parietalis.

Creator:

O'Donnell, Ryan P.

Abstract:

The benefits of reproduction are clear, but there are also costs. Much is known about the costs of reproduction in females, but only recently have male costs been investigated in any depth. These costs of reproduction may be minimized by appropriately modifying behavior, but there has been little research on...

Resource Type:

Masters Thesis

Full Text:

Ecology 50:733-743. Berglund A., G. Rosenqvist, I. Svensson, 1986a. Reversed sex roles and parental
Phenotypic variation in the sexual attractiveness pheromone of the red-sided garter snake, Thamnophis sirtalis parietalis

Creator:

LeMaster, Michael P.

Abstract:

Pheromones are chemical cues produced by organisms that affect the behavior and/or physiology of conspecifics. The orchestration of reproductive behaviors in many animals depends on the expression of sex pheromones. In insects, intraspecific variation in sex pheromone expression is commonly observed and often influences social interactions between individuals. To what...

Resource Type:

Dissertation

Full Text:

attractiveness pheromone of the red-sided garter snake, Thamnophis sirtalis parietalis. Composed of a homologous
Reproductive implications of parasitic infections and immune challenges in garter snakes

Creator:

Uhrig, Emily J.

Abstract:

Parasitic infections and immune challenges can affect host reproductive fitness and, ultimately, the evolution of host populations in a myriad of ways. The fitness implications of parasitic infections range from increased host mortality to subtle changes in reproductive investment. From alterations of behaviors, sexual signaling, and competitive ability to changes...

Resource Type:

Dissertation

Full Text:

fitness and, ultimately, the evolution of host populations in a myriad of ways. The fitness