Results 11 to 20 of about 12,644 (168)

Multiple anti-predator mechanisms in the red-spotted Argentina Frog (Amphibia: Hylidae) [PDF]

open access: yes, 2017
Anurans employ a wide variety of anti-predator mechanisms to defend themselves. In casque-headed hylids, defence is thought to be a complex combination of several anti-predator mechanisms. However, the defence traits of only a few species are known; some
Alcalde, Leandro   +6 more
core   +2 more sources

Confocal analysis of nervous system architecture in direct-developing juveniles of Neanthes arenaceodentata (Annelida, Nereididae) [PDF]

open access: yes, 2010
Background: Members of Family Nereididae have complex neural morphology exemplary of errant polychaetes and are leading research models in the investigation of annelid nervous systems.
Jacobs, David K.   +2 more
core   +5 more sources

New record of the sea anemone Kadosactis antarctica (Carlgren, 1928): re-description of an Antarctic deep-sea sea anemone, and a discussion of its generic and familial placement [PDF]

open access: yes, 2005
Sagartiogeton antarcticus Carlgren, 1928 is an Antarctic deep-sea species of sea anemone only known from its holotype. The species has been assigned to the genera Sagartiogeton and Kadosactis, and is currently placed within the family Kadosactidae ...
López González, Pablo José   +1 more
core   +1 more source

Mechanisms of Urodele Limb Regeneration [PDF]

open access: yes, 2017
This review explores the historical and current state of our knowledge about urodele limb regeneration. Topics discussed are (1) blastema formation by the proteolytic histolysis of limb tissues to release resident stem cells and mononucleate cells that ...
Stocum, David L.
core   +1 more source

Stephanthus antarcticus, a new genus and species of sea anemone (Actiniaria, Haloclavidae) from the South Shetland Islands, Antarctica [PDF]

open access: yes, 2003
Stephanthus antarcticus gen. nov. et sp. nov. is described and illustrated from six specimens collected in the Antarctic Peninsula on the Polarstern cruises ANT XV/3 and ANT XIX/3. The new genus is characterised by the absence of sphincter and basilar
López González, Pablo José   +1 more
core   +1 more source

Dipsosaurus, D. dorsalis [PDF]

open access: yes, 1992
Number of Pages: 6Integrative BiologyGeological ...
Hulse, Arthur C.
core   +1 more source

Development and myogenesis of the vermiform Buddenbrockia (Myxozoa) and implications for cnidarian body plan evolution [PDF]

open access: yes, 2016
email ORCID ID© 2012 Gruhl and Okamura; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use ...
Gruhl, A, Okamura, B
core   +1 more source

Repeated stressors in adulthood increase the rate of biological ageing [PDF]

open access: yes, 2015
Background Individuals of the same age can differ substantially in the degree to which they have accumulated tissue damage, akin to bodily wear and tear, from past experiences.
Adelman, James S.   +8 more
core   +2 more sources

Resource partitioning among African savanna herbivores in North Cameroon: the importance of diet composition, food quality and body mass [PDF]

open access: yes, 2011
The relationship between herbivore diet quality, and diet composition (the range of food plants consumed) and body mass on resource partitioning of herbivores remains the subject of an ongoing scientific debate.
Brunsting, A.M.H.   +6 more
core   +2 more sources

Paradigm Shifts In Neural Induction [PDF]

open access: yes, 2000
The molecularization of developmental biology was originally seen as a challenge to the integrity of that discipline. However, important new insights from the analysis of gene expression soon transformed the field from one of experimental anatomy to one ...
Gilbert, Scott F.
core   +2 more sources

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