Meeting Abstract 37.3  Wednesday, Jan. 5  Compensation for exaggerated eyestalks in stalk-eyed flies (Diopsidae) HUSAK, JF*; RIBAK, G; WILKINSON, GS; SWALLOW, JG; Univ. of South Dakota; Technion University; Univ. of Maryland ; Univ. of South Dakota jerry.husak@usd.edu Exaggerated male ornaments are hypothesized to be costly. Despite the prediction that ornaments should increase predation risk due to reduced […]

Meeting Abstract 37.5  Wednesday, Jan. 5  Adaptive sex-ratio bias and the resolution of intralocus sexual conflict COX, R.M.*; DURYEA, M.C.; CALSBEEK, R.; Dartmouth College; Dartmouth College; Dartmouth College robert.m.cox@dartmouth.edu When selection favors alternative genotypes in each sex, high-fitness parents often produce low-fitness progeny of the opposite sex. Recent studies suggest that this sexual conflict can overwhelm the […]

Meeting Abstract 36.2  Wednesday, Jan. 5  Wnt signaling in the cnidarian Nematostella vectensis: Insights into the evolution of gastrulation WIJESENA, N.*; KUMBUREGAMA, S.; XU, R.; WIKRAMANAYAKE, A.; Univ. Miami, Coral Gables, FL 33146 ; Univ. Miami, Coral Gables, FL 33146 ; Univ. Hawaii at Manoa, Honolulu, HI 96822; Univ. Miami, Coral Gables, FL 33146 naveen@bio.miami.edu Evolution of […]

Meeting Abstract 36.5  Wednesday, Jan. 5  The diverse roles of larval musculature and microfilaments during the initial stages of metamorphosis of marine bryozoans. SANTAGATA, S.; Long Island University scott.santagata@liu.edu Marine bryozoan larval forms are noted for their rapid morphogenetic movements at metamorphosis. Previous work has documented the roles of ciliary motility, larval musculature, and dynamic bands of […]

Meeting Abstract 36.3  Wednesday, Jan. 5  Pattern of Variation during the Phylotypic Stage of Zebra Fish, Danio rerio. SCHMIDT, Kai*; STARCK, J. Matthias; Ludwig Maximilians University of Munich (LMU); Ludwig Maximilians University of Munich (LMU) kaiusch@aol.com All vertebrate embryos pass through a period of morphological similarity, i.e., the phylotypic stage (PS). Possible causes of such similarity are […]

Meeting Abstract 36.1  Wednesday, Jan. 5  Evolution of the annelid body plan: developmental insights from the unsegmented sipunculan worm Themiste lageniformis SEAVER, Elaine C.*; BOYLE, Michael J.; MEYER, Neva P.; University of Hawaii; Smithsonian Marine Station at Fort Pierce; University of Hawaii seaver@hawaii.edu Sipuncula are a monophyletic group of coelomate marine worms. A growing number of molecular […]

Meeting Abstract 36.4  Wednesday, Jan. 5  Bacterial genes and larval settlement of the tube worm Hydroides elegans HUANG, Ying*; HADFIELD, Michael; University of Hawaii, Manoa yinghuan@hawaii.edu Competent larvae of the marine tube worm Hydroides elegans can be induced to metamorphose by both single- and multi-species bacterial biofilms. In a biofilm, the marine bacterium Pseudoalteromonas luteoviolacea strongly induces […]

Meeting Abstract 35.4  Wednesday, Jan. 5  Using multiple endpoints to determine the effects of atrazine ingestion on gravid female watersnakes and their offspring NEUMAN-LEE, LA*; BAUMGARTNER, KA; VOORHEES, JM; GAINES, KF; MULLIN, SJ; Utah State University; Eastern Illinois University; Eastern Illinois University; Eastern Illinois University; Eastern Illinois University lorin215@gmail.com Ecotoxicological studies that focus on a single endpoint […]

Meeting Abstract 35.1  Wednesday, Jan. 5  The stress of parenthood? Relationships between reproductive investment and glucocorticoid concentrations in Tree Swallows BONIER, F*; MOORE, IT; Queen’s University; Virginia Tech bonierf@queensu.ca Glucocorticoid, or stress hormone, concentrations may reflect the level of environmental challenges confronting an individual. In general, elevated glucocorticoids are thought to indicate an individual in trouble – […]

Meeting Abstract 35.2  Wednesday, Jan. 5  Parasite release in an urban colonizer WILLIAMS, CK*; MARRA, PP; EZENWA, VO; BREUNER, CW; University of Montana; Smithsonian Migratory Bird Center; University of Georgia; University of Montana carin.williams@umontana.edu Urban habitat is rapidly increasing worldwide, yet we know little about the effects of urbanization on wildlife. Despite diverse challenges presented by cities, […]