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  1. Content type: Research

    Social insects (ants, bees, wasps and termites) are considered as prime examples of altruism in which individuals (workers) forego their own reproduction to help other individuals reproduce. Such a behaviour i...

    Authors: Judith Korb

    Citation: Frontiers in Zoology 2007 4:7

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  2. Content type: Research

    The Radical Pair model proposes that magnetoreception is a light-dependent process. Under low monochromatic light from the short-wavelength part of the visual spectrum, migratory birds show orientation in thei...

    Authors: Roswitha Wiltschko, Katrin Stapput, Hans-Joachim Bischof and Wolfgang Wiltschko

    Citation: Frontiers in Zoology 2007 4:5

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  3. Content type: Short report

    The lack of obvious morphological differences between species impedes the identification of species in many groups of organisms. Meanwhile, DNA-based approaches are increasingly used to survey biological diver...

    Authors: Frieder Mayer, Christian Dietz and Andreas Kiefer

    Citation: Frontiers in Zoology 2007 4:4

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  4. Content type: Research

    The preference – performance hypothesis predicts that oviposition preference of insects should correlate with host suitability for offspring development. Therefore, insect females have to be able to assess not...

    Authors: Sven Steiner, Daniel Erdmann, Johannes LM Steidle and Joachim Ruther

    Citation: Frontiers in Zoology 2007 4:3

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  5. Content type: Research

    The genus Mantella, endemic poison frogs of Madagascar with 16 described species, are known in the field of international pet trade and entered under the CITES control for the last four years. The phylogeny and p...

    Authors: Falitiana CE Rabemananjara, Ylenia Chiari, Olga Ravoahangimalala Ramilijaona and Miguel Vences

    Citation: Frontiers in Zoology 2007 4:1

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  6. Content type: Research

    Odors are represented by specific spatio-temporal activity patterns in the olfactory bulb of vertebrates and its insect analogue, the antennal lobe. In honeybees inhibitory circuits in the AL are involved in t...

    Authors: Silke Sachse, Philipp Peele, Ana F Silbering, Martin Gühmann and C Giovanni Galizia

    Citation: Frontiers in Zoology 2006 3:22

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  7. Content type: Hypothesis

    Insect ears contain very different numbers of sensory cells, from only one sensory cell in some moths to thousands of sensory cells, e.g. in cicadas. These differences still await functional explanation and es...

    Authors: Reinhard Lakes-Harlan and Johannes Strauß

    Citation: Frontiers in Zoology 2006 3:20

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  8. Content type: Research

    The question of arthropod head segmentation has become one of the central issues in Evolutionary Developmental Biology. The number of theories pertaining to head segments progressively enlarges, old concepts h...

    Authors: Carsten Wolff and Gerhard Scholtz

    Citation: Frontiers in Zoology 2006 3:19

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  9. Content type: Research

    Nests are built in various animal taxa including fish. In systems with exclusive male parental care, the choice of a nest site may be an important component of male fitness. The nest site may influence male at...

    Authors: Ricarda Modarressie and Theo CM Bakker

    Citation: Frontiers in Zoology 2006 3:17

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  10. Content type: Research

    To understand the evolution of animals it is essential to have taxon sampling across a representative spread of the animal kingdom. With the recent rearrangement of most of the Bilateria into three major clade...

    Authors: Carmel McDougall, Wei-Chung Chen, Sebastian M Shimeld and David EK Ferrier

    Citation: Frontiers in Zoology 2006 3:16

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  11. Content type: Methodology

    Geometric morphometric methods of capturing information about curves or outlines of organismal structures may be used in conjunction with canonical variates analysis (CVA) to assign specimens to groups or popu...

    Authors: H David Sheets, Kristen M Covino, Joanna M Panasiewicz and Sara R Morris

    Citation: Frontiers in Zoology 2006 3:15

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  12. Content type: Research

    Mitochondrial (mt) gene arrangement is highly variable among molluscs and especially among bivalves. Of the 30 complete molluscan mt-genomes published to date, only one is of a heterodont bivalve, although thi...

    Authors: Hermann Dreyer and Gerhard Steiner

    Citation: Frontiers in Zoology 2006 3:13

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  13. Content type: Research

    In many birds, day length (=photoperiod) regulates reproductive cycle. The photoperiodic environment varies between different seasons and latitudes. As a consequence, species at different latitudes may have ev...

    Authors: Amit K Trivedi, Sangeeta Rani and Vinod Kumar

    Citation: Frontiers in Zoology 2006 3:12

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  14. Content type: Research

    In eastern North America two common colour morphs exist in most populations of redback salamanders (Plethodon cinereus). Previous studies have indicated that the different morphs may be adapted to different therm...

    Authors: Erin E Petruzzi, Peter H Niewiarowski and Francisco B-G Moore

    Citation: Frontiers in Zoology 2006 3:10

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  15. Content type: Research

    The sex of many reptiles is determined by the temperature an embryo experiences during its development. Three patterns of temperature-dependent sex determination (TSD) have been defined, but one pattern where ...

    Authors: Nicola J Mitchell, Nicola J Nelson, Alison Cree, Shirley Pledger, Susan N Keall and Charles H Daugherty

    Citation: Frontiers in Zoology 2006 3:9

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  16. Content type: Research

    Sponges (Porifera) are nerve- and muscleless metazoa, but display coordinated motor reactions. Therefore, they represent a valuable phylum to investigate coordination systems, which evolved in a hypothetical U...

    Authors: Kornelia Ellwanger and Michael Nickel

    Citation: Frontiers in Zoology 2006 3:7

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  17. Content type: Research

    For marine snails, olfaction represents a crucial sensory modality for long-distance reception, as auditory and visual information is limited. The posterior tentacle of Aplysia, the rhinophore, is a chemosensory ...

    Authors: Adrian Wertz, Wolfgang Rössler, Malu Obermayer and Ulf Bickmeyer

    Citation: Frontiers in Zoology 2006 3:6

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  18. Content type: Research

    There has been considerable research on rodent ultrasound in the laboratory and these sounds have been well quantified and characterized. Despite the value of research on ultrasound produced by mice in the lab...

    Authors: Matina C Kalcounis-Rueppell, Jackie D Metheny and Maarten J Vonhof

    Citation: Frontiers in Zoology 2006 3:3

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  19. Content type: Review

    One of the surprising insights gained from research in evolutionary developmental biology (evo-devo) is that increasing diversity in body plans and morphology in organisms across animal phyla are not reflected...

    Authors: Matthias Sanetra, Gerrit Begemann, May-Britt Becker and Axel Meyer

    Citation: Frontiers in Zoology 2005 2:15

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  20. Content type: Research

    Most arthropods pass through several molting stages (instars) before reaching sexual maturity. In spiders, very little is known about the male genital system, its development and seminal secretions. For exampl...

    Authors: Peter Michalik and Gabriele Uhl

    Citation: Frontiers in Zoology 2005 2:12

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  21. Content type: Review

    Identifying the individuals within a population can generate information on life history parameters, generate input data for conservation models, and highlight behavioural traits that may affect management dec...

    Authors: Andrew MR Terry, Tom M Peake and Peter K McGregor

    Citation: Frontiers in Zoology 2005 2:10

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  22. Content type: Research

    Identifying species of organisms by short sequences of DNA has been in the center of ongoing discussions under the terms DNA barcoding or DNA taxonomy. A C-terminal fragment of the mitochondrial gene for cytochro...

    Authors: Miguel Vences, Meike Thomas, Arie van der Meijden, Ylenia Chiari and David R Vieites

    Citation: Frontiers in Zoology 2005 2:5

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  23. Content type: Research

    In general shell-less slugs are considered to be slimy animals with a rather dull appearance and a pest to garden plants. But marine slugs usually are beautifully coloured animals belonging to the less-known O...

    Authors: Heike Wägele and Annette Klussmann-Kolb

    Citation: Frontiers in Zoology 2005 2:3

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  24. Content type: Research

    The Drosophila genes wingless (wg) and decapentaplegic (dpp) comprise the top level of a hierarchical gene cascade involved in proximal-distal (PD) patterning of the legs. It remains unclear, whether this cascade...

    Authors: Nikola-Michael Prpic

    Citation: Frontiers in Zoology 2004 1:6

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  25. Content type: Research

    In the spider Cupiennius salei about 30 groups of neural precursors are generated per hemi-segment during early neurogenesis. Analysis of the ventral neuromeres after invagination of the primary neural precursor ...

    Authors: Angelika Stollewerk

    Citation: Frontiers in Zoology 2004 1:3

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