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Full-Text Articles in Ecology and Evolutionary Biology
Using Dragonflies As Common, Flexible, And Charismatic Subjects For Teaching The Scientific Process, Paul Switzer
Using Dragonflies As Common, Flexible, And Charismatic Subjects For Teaching The Scientific Process, Paul Switzer
Paul V. Switzer
No abstract provided.
The Effect Of Male And Female Body Size On Mating Behavior Of Male Fairy Shrimp, Eubranchipus Neglectus, Craig Feigenbaum, Paul V. Switzer
The Effect Of Male And Female Body Size On Mating Behavior Of Male Fairy Shrimp, Eubranchipus Neglectus, Craig Feigenbaum, Paul V. Switzer
Paul V. Switzer
We studied size-related mating patterns in the freshwater fairy shrimp Eubranchipus neglectus in the laboratory. Males were provided with relatively small or large females that they could only sense by vision. We recorded the number of times a male pursued the female (“follows”), the duration of these follows, and the number of times a male attempted to grasp the female. Relatively large males performed more mating behavior than relatively small males. Furthermore, males (regardless of their own size) exhibited more mating behavior towards large than small females. They followed large females more frequently, attempted to grasp large females more often, …
Application Of Microsatellite Dna Markers To Discriminate Maternal And Genetic Effects On Scalation And Behavior In Multiply-Sired Garter Snake Litters, Gordon Burghardt
Application Of Microsatellite Dna Markers To Discriminate Maternal And Genetic Effects On Scalation And Behavior In Multiply-Sired Garter Snake Litters, Gordon Burghardt
Gordon Burghardt
Incomplete knowledge of pedigrees sometimes limits the methods of estimating quantitative genetic parameters (heritability, genetic correlation) in nature and may result in estimates that are inflated by nongenetic sources of variation. North American garter snakes and their allies provide a model system for investigating evolutionary quantitative genetics, but estimates of quantitative genetic parameters in these snakes are mostly based on offspring-dam regression and full-sib analysis, methods that fail to discriminate between maternal genetic, maternal environmental, and direct genetic effects on traits of interest. Using data from the garter snake Thamnophis sirtalis, we demonstrate that microsatellite DNA markers can be used …