Meeting Abstract 37.5 Thursday, Jan. 5 Sexual dimorphisms in Anolis lizard behavior and morphology: the result of niche partitioning or sexual selection? JOHNSON, M.A.*; SANGER, T.J.; SPARKS, M.N.; LOSOS, J.B.; Trinity University, San Antonio, TX; Harvard University; Trinity University, San Antonio, TX; Harvard University michele.johnson@trinity.edu Sexual dimorphisms in size and shape may result from ecological differences between […]
sessions: Session 37
Approximate Bayesian analysis of sire precedence reveals first-male advantage in the brown anole lizard (Anolis sagrei)
Meeting Abstract 37.1 Thursday, Jan. 5 Approximate Bayesian analysis of sire precedence reveals first-male advantage in the brown anole lizard (Anolis sagrei) DURYEA, MC*; KERN, AD; COX, RM; CALSBEEK, RG; Dartmouth College; Rutgers University; University of Virginia; Dartmouth College duryea@dartmouth.edu Studies of the effects of mating order, classically analyzed as the proportional paternity of the second male […]
Why do giant squid have giant eyes
Meeting Abstract 37.3 Saturday, Jan. 5 Why do giant squid have giant eyes? JOHNSEN, S.*; NILSSON, D.-E.; WARRANT, E.J.; Duke Univ.; Lund Univ.; Lund Univ. sjohnsen@duke.edu Giant and colossal deep-sea squid (Architeuthis and Mesonychoteuthis) have the largest eyes in the animal kingdom, but there is no explanation for why they would need eyes that are nearly three […]
The costs and benefits of losing an arm autotomy in the octopus Abdopus aculeatus
Meeting Abstract 37.4 Saturday, Jan. 5 The costs and benefits of losing an arm: autotomy in the octopus Abdopus aculeatus ALUPAY, J/S*; CALDWELL, R/L; Univ. of California, Berkeley; Univ. of California, Berkeley jsalupay@berkeley.edu Animals have evolved a diversity of defense mechanisms including cryptic and startling displays and flight responses to escape their predators. Arguably one of the […]
Pressure across the head of a freely-swimming rainbow trout (Onchorynchus mykiss) in uniform flow
Meeting Abstract 37.5 Saturday, Jan. 5 Pressure across the head of a freely-swimming rainbow trout (Onchorynchus mykiss) in uniform flow LIAO, J.C.*; CHAMBERS, L. M.; AKANYETI, O.; The Whitney Lab for Marine Bioscience, University of Florida Gainesville; Robotics Laboratory, University of Bristol, UK; The Whitney Lab for Marine Bioscience, University of Florida Gainesville jliao@whitney.ufl.edu The mathematician Sir […]
Jurassic marine photonics Squid dynamic iridescence and predation by large extinct marine reptiles
Meeting Abstract 37.2 Saturday, Jan. 5 Jurassic marine photonics: Squid dynamic iridescence and predation by large extinct marine reptiles SWEENEY, A.M.*; JOHNSEN, S; GAGNON, Y; MORSE, D.E.; STRAMSKI, D.; University of Pennsylvania; Duke University; Duke University; Scripps Institute of Oceanography; UCSB alisonsw@physics.upenn.edu Dynamic iridescence in Loliginid squids has been fascinating and well-studied from an ultrastructural and biochemical […]
Unequal second cleavage (of the CD blastomere) in the leech Helobdella austinensis
Meeting Abstract 37.3 Sunday, Jan. 5 08:30 Unequal second cleavage (of the CD blastomere) in the leech Helobdella austinensis ROGERS, D.V.; WEISBLAT, D.A.*; Univ. of California, Berkeley; Univ. of California, Berkeley weisblat@berkeley.edu Among animals that develop via spiral cleavage (a diverse group that may be synonymous with the super-phylum Lophotrochozoa), D quadrant specification is the process by […]
The ins and outs of beta-catenin mediated binary cell fate specification
Meeting Abstract 37.2 Sunday, Jan. 5 08:15 The ins and outs of beta-catenin mediated binary cell fate specification SCHNEIDER, SQ*; BASTIN, BR; PRUITT, MM; LETCHER, EJ; CHOU, H; Iowa State University; Iowa State University; Iowa State University; Iowa State University; Iowa State University sqs@iastate.edu In the spiralian annelid Platynereis dumerilii each embryonic cell division oriented along the […]
The Starfish Oocyte is an Excitable Medium
Meeting Abstract 37.4 Sunday, Jan. 5 08:45 The Starfish Oocyte is an Excitable Medium VON DASSOW, G.*; SU, K. C.; BEMENT, W. M.; University of Oregon; Massachusetts Institute of Technology; University of Wisconsin, Madison dassow@uoregon.edu Most animal oocytes undergo two extreme-asymmetrical divisions during meiosis, creating the egg and two polar bodies. In oocytes of the starfish Patiria […]
Targeted cell cycle arrest halts basement membrane gap expansion during nematode uterine-vulval attachment
Meeting Abstract 37.5 Sunday, Jan. 5 09:00 Targeted cell cycle arrest halts basement membrane gap expansion during nematode uterine-vulval attachment MATUS, DQ*; CHANG, E; MAKOHON-MOORE, SC; SHERWOOD, DR; Duke University; Duke University; Duke University; Duke University david.matus@duke.edu The creation of large gaps in basement membranes (BM) is a critical component of tissue construction and normal physiology, as […]
