Sökning: "mate guarding"
Hittade 5 avhandlingar innehållade orden mate guarding.
1. Mating strategies and sexual conflicts in aquatic invertebrates: consequences for evolutionary differentiation
Sammanfattning : In this thesis I investigated how mating related strategies may differ among populations and how these strategies evolve in response to their local ecological environments. I have used two different study systems of aquatic invertebrates: diving beetles (Dytiscidae) and the fresh water isopod Asellus aquaticus. LÄS MER
2. Sexual selection and intersexual conflicts in water striders
Sammanfattning : .... LÄS MER
3. Female choice and paternal care in the fifteen-spined stickleback, Spinachia spinachia
Sammanfattning : In the fifteen-spined stickleback, Spinachia spinachia, males provide females with direct benefits by fanning, cleaning and guarding the offspring. Males announce their parental skills through intense body shakes during courtship. Females preferred to mate with more intensely shaking males. LÄS MER
4. Genetic and hormonal influences on affiliative behavior in humans
Sammanfattning : Affiliative bonds between romantic partners are widespread pan-culturally and an important part of human nature and society. Still, knowledge about the biological correlates of human pair bonds is sparse. LÄS MER
5. The prey perspective - behaviour and appearance in a world of predators
Sammanfattning : The varieties of prey phenotypes that have been revealed in nature are vast and many of these phenotypes are the result of the selective force that predators have had on prey traits in the past. Even within species and populations we see variations due to both differences in the selection forces they live under but also due to individual trait variation. LÄS MER