Meeting Abstract P2.3  Tuesday, Jan. 5  Competition drives the reliability of signalling in the two-toned fiddler crab (Uca vomeris). BYWATER, C.L.*; WILSON, R.S.; The University of Queensland; The University of Queensland c.bywater@uq.edu.au Males of many species possess specialised weapons that are often displayed to resolve territorial disputes without direct physical contact. It is predicted that the evolution […]

Meeting Abstract P2.71  Tuesday, Jan. 5  Colony fusion common in a colonial ascidian WESTERMAN, E.L.*; DIJKSTRA, J.A.; HARRIS, L.G.; Yale University; Wells National Estuarine Research Reserve; University of New Hampshire erica.westerman@yale.edu Many benthic colonial invertebrates have the ability to fuse and form chimeras with compatible colonies. Botryllid ascidians fusion rates have been determined for different populations and […]

Meeting Abstract P2.144  Tuesday, Jan. 5  Cold-induced mortality in Drosophila: Starvation, desiccation, or neither? KOBEY, RL*; EGGLESTON, EE; MONTOOTH, KL; Indiana University; Indiana University; Indiana University rkobey@gmail.com Organisms experience extremes and fluctuations in temperature during diurnal temperature cycles, across seasons, over geographical ranges, and as a consequence of climate change. In order to better understand how organisms […]

Meeting Abstract P2.17  Tuesday, Jan. 5  Characterization of the ecdysteroid receptor in the American lobster (Homarus americanus) and development of an in vitro screening assay TARRANT, AM*; BEHRENDT, L; STEGEMAN, JJ; VERSLYCKE, T; Woods Hole Oceanographic Inst.; WHOI; WHOI; WHOI, Gradient Corp atarrant@whoi.edu The ecydsteroid receptor (EcR) and retinoid X receptor (RXR) together mediate ecdysteroid regulation of […]

Meeting Abstract P2.79  Tuesday, Jan. 5  Cardiovascular function in embryonic Canada geese (Branta canadensis) SWART, Justin C.*; TATE, Kevin B.; REED, Wendy L.; CROSSLEY II, Dane A.; University of North Dakota; University of North Dakota; North Dakota State University; University of North Dakota justin.swart@und.edu The current understanding of embryonic cardiovascular development in avian species is primarily based […]

Meeting Abstract P2.78  Tuesday, Jan. 5  Cardiac shunting does not constrain aerobic capacity of the American alligator OWERKOWICZ, T.*; EME, J.; GWALTHNEY, J.; BLANK, J.M.; HICKS, J.W.; Uni. California, Irvine; Uni. California, Irvine; Uni. California, Irvine; Uni. California, Irvine; Uni. California, Irvine towerkow@uci.edu All extant archosaurs possess a four-chambered heart, but differ widely in their aerobic capacity […]

Meeting Abstract P2.104  Tuesday, Jan. 5  Cake sand dollars with combed tube feet: morphometry and phylogenetics of Indo-Pacific arachnoidid clypeasteroids RECCIA, L.**; MOOI, R.; California State Polytechnic Univ., Pomona; California Academy of Sciences, San Francisco rmooi@calacademy.org The genus Arachnoides (Clypeasteroida: Arachnoididae) includes very flat, circular, sharp-edged sand dollars occurring on shallow-water sandy substrates in the Indo-Pacific. Unique […]

Meeting Abstract P2.12  Tuesday, Jan. 5  Biological activity of mammalian thyrotropins in goldfish MILLER, TC*; MACKENZIE, D; JAQUES, JT; DELOVIO, ML; Dept. of Biology, Texas AM University; Dept. of Biology, Texas AM University; Texas Veterinary Medical Diagnostic Laboratory; Texas Veterinary Medical Diagnostic Laboratory tcmiller@tamu.edu Little is known about the structure or function of teleost thyrotropin (TSH), a […]

Meeting Abstract P2.115  Tuesday, Jan. 5  Biogeographic Patterns in Morphologically Conserved and Genetically Diverse Anuran Lineages from the Sunda Shelf STREICHER, J.W.*; HARVEY, M.B.; SMITH, E.N.; Univ. of Texas, Arlington; Broward College; Univ. of Texas, Arlington streicher@uta.edu The Sunda Shelf includes peninsular Malaysia and much of western Indonesia. Climate induced land bridge formation and geologic uplift have […]

Meeting Abstract P2.94  Tuesday, Jan. 5  Avian Partner Preference is Differentially Affected by Dopamine Receptor Subtypes and is Sex-Specific KLATT, J.D.*; KABELIK, D.; GOODSON, J.L.; Indiana University, Bloomington jklatt@indiana.edu Neural systems controlling affiliative behavior in non-mammals have only recently begun to be investigated. The catecholamine dopamine has been shown to be intimately linked with pair-bonding, a well-described […]