Mary Kate O'Donnell

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Black flies are ubiquitous and important members of lotic ecosystems. Size is known to affect many aspects of their life in the aquatic larval stage, including intraspecific competition for feeding sites. As filter feeders, flow affects their ability to feed and reach sufficiently fast flow. This, in turn, can lead to risky fluid-mediated dispersal behavior(More)
173 teristic length, and m is fluid dynamic viscosity. 1 Re = rvl /m. (1) The laminar case, where the fluid flow is calm and experiences minimal mixing, has an Re < 1. Here drag force F D is solely dependent on the effective radius of the object R, velocity v, and dynamic viscosity of the fluid m, given by Stokes' law. 1 F D = 6pmRv. (2) This special case(More)
Elastic-recoil mechanisms can improve organismal performance and circumvent the thermal limitations of muscle contraction, yet they require the appropriate motor control to operate. We compare muscle activity during tongue projection in salamanders with elastically powered, ballistic projection with activity of those with muscle-powered, non-ballistic(More)
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