BRODIE, R J; University of South Carolina: Life on the wedge: survival of low salinity conditions in larvae of the fiddler crab Uca minax Newly hatched larvae of the fiddler crab, Uca minax, ride nocturnal ebb currents away from low salinity adult habitats towards high salinity coastal marine environments where they complete development. We investigated […]
sessions: Session 25
Evolution of photosymbiosis in the cardiid subfamily Fraginae
KIRKENDALE, Lisa; University of Florida: Evolution of photosymbiosis in the cardiid subfamily Fraginae In the marine clam family Cardiidae, two closely related subfamilies (Tridacninae and Fraginae) exhibit divergent morphological responses to a similar selective pressure- light capture for photosymbiosis. All giant clams maximize light capture via a similar suite of morphological characters, including mantle hypertrophy, […]
Bone-devouring worms Ecological and reproductive novelty
GOFFREDI, S.K.; ROUSE, G.W.; VRIJENHOEK, R.C.; Monterey Bay Aquarium Research Institute; Earth and Environmental Sciences, University of Adelaide ; Monterey Bay Aquarium Research Institute: Bone-devouring worms: Ecological and reproductive novelty We recently described a new genus of annelid, Osedax, discovered living on the carcass of a gray whale at ~3000 m depth off of California. […]
The Relationship of Embryonic Facial Size to Adult Facial Length
YOUNG, Nathan M*; WAT, Stephen; DIEWERT, Virginia; HALLGRIMSSON, Benedikt; University of Calgary; University of Calgary; University of British Columbia; University of Calgary: The Relationship of Embryonic Facial Size to Adult Facial Length Facial length is an evolutionarily labile trait in mammals whose expression has numerous functional implications. There are many possible developmental mechanisms for variation […]
Scorpion respiratory organogenesis spiracles, sac-like invaginations and book lung lamellae
FARLEY , R. D.; University of California, Riverside: Scorpion respiratory organogenesis: spiracles, sac-like invaginations and book lung lamellae Scorpions are thought to be monophyletic, but comparative studies (SEM) show variation in the developmental stage when certain structures appear (heterochrony). Also, transitory structures in embryos of some species may be absent or only slightly expressed in […]
Polyphenism, Plasticity, and Canalized Rapid Development; Modifications of the Developmental Program in Spadefoot Toads
STORZ, Brian; Florida State University: Polyphenism, Plasticity, and Canalized Rapid Development; Modifications of the Developmental Program in Spadefoot Toads Is there a common means by which a developmental program is modified via polyphenism, plasticity, or canalization, or do these modifications of the developmental program represent fundamentally different processes? New World spadefoot toads are an excellent […]
Nature and function of the carapacial ridge in the turtle embryo
KURATANI, S*; NAGASHIMA, H; KURAKU, S; USUDA, R; CDB RIKEN, Kobe, Japan: Nature and function of the carapacial ridge in the turtle embryo The turtle carapace is an evolutionary novelty acquired through the modification of rib patterning. In the turtle embryo, the lateral margin of carapacial anlage is seen as the carapacial ridge (CR), which […]
Evolution and Ecology of Vision Development of Photoreceptor Arrays in Elopomorph Fish
TAYLOR, S/M; GRACE, M/S*; Florida Institute of Technology: Evolution and Ecology of Vision: Development of Photoreceptor Arrays in Elopomorph Fish The Atlantic tarpon (Megalops atlanticus) and the speckled worm eel (Myrophis punctatus) belong to the teleost subdivision Elopomorpha, an assemblage of four orders grouped primarily on the basis of remarkably similar larval form. As adults, […]
Characterization of hexameric storage proteins during development and reproduction in the flesh fly, Sarcophaga crassipalpis
HAHN, DA; University of Florida: Characterization of hexameric storage proteins during development and reproduction in the flesh fly, Sarcophaga crassipalpis. Unlike vertebrates, insects are capable of accumulating substantial amino acid reserves and do so primarily in the form of hexameric storage proteins. Documenting the allocation of amino acids to current utilization versus storage for later […]
Within-bone Variation in Stiffness Measured by Nanoindentation in High-running Mice
Meeting Abstract 25.5 Jan. 5 Within-bone Variation in Stiffness Measured by Nanoindentation in High-running Mice MIDDLETON, K.M.*; GARLAND, T., Jr.; GOLDSTEIN, B.D.; GUDURU, P.R.; KELLY, S.A.; SWARTZ, S.M.; Brown Univ.; Univ. Calif., Riverside; Brown Univ.; Brown Univ.; Univ. Calif., Riverside; Brown Univ. kmm@brown.edu A bone�s loading response is, in part, a reaction to dynamic forces filtered through […]