Results 111 to 120 of about 3,654 (204)

Electron microscopy on the polyp of staghorn corals with special reference to its skeleton formation [PDF]

open access: yes, 1968
The formation of skeletons is one of the most conspicuous characteristics of Scleroactinian corals. Naturally, many scholars have worked on this problem using either classical histological methods, such as Fowler (2), Boume (1), Krempf (11), Hayashi ...
Kawaguti, S., Sato, K.
core  

Archangelopsis jagoa, a new species of benthic siphonophore (Physonectae, Rhodaliidae) collected by submersible in the Red Sea [PDF]

open access: yes, 1995
A new species of rhodaliid siphonophore, Archangelopsis jagoa sp, nov., is described from three specimens collected at depths between 250 and 370 m in the Gulf of Akaba, Red Sea, by the submersible JAGO.
Hissmann, Karen   +2 more
core  

Coral Reef Conservation: A Reef of Your Own [PDF]

open access: yes
This web-based lesson focuses on the physiological, ecological, and behavioral strategies that contribute to the success of reef-building corals. Students will learn to describe and explain the importance of asexual and sexual reproductive strategies to ...

core   +1 more source

VARIATIONS OF ATP CONTENT IN V79 CELLS TREATED WITH CRUDE TOXINS OF Aequorea aequorea (CNIDARIA: HYDROZOA) AND Rhizostoma pulmo (CNIDARIA: SCYPHOZOA). A PRELIMINARY STUDY

open access: yesJournal of Biological Research
Cnidarian toxins are stored mostly in small capsules (nematocysts) located in tentacles and elsewhere in the body; they are important for the ecology of aquatic environments and also for their impact on some human activities and health, in particular ...
G.L. Mariottini, A. Carli
doaj   +1 more source

Diversity and biogeography of deep-ocean sea anemones (Cnidaria: Anthozoa: Actiniaria) [PDF]

open access: yes, 2008
The National Science Foundation Research Experience for Undergraduates (REU) program has provided funding that made this project possible.The College of Biological Science’s Dean’s Undergraduate Research Fund also extended generous support.The Pressey ...
Castorani, Christopher
core  

Cell cycle analysis of hydra Cells [PDF]

open access: yes, 1983
David, Charles N., Lenhoff, Howard M.
core   +1 more source

Obteniendo información de nematocistos de la cubomedusa venenosa\ud Chiropsalmus quadrumanus, conservados en etanol: una técnica sencilla\ud para facilitar el estudio de nematocistos [PDF]

open access: yes
Preserved specimens make it difficult to study nematocysts. We tested an hydration protocol on \ud ethanol preserved tentacles of Chiropsalmus quadrumanus (Cubomedusae) during a period of ten days, and \ud quantified the success of retrieval of ...
Marques, Antonio Carlos   +1 more
core  

Phylogeny of the order Zoantharia (Anthozoa, Hexacorallia) based on the mitochondrial ribosomal genes [PDF]

open access: yes, 2018
Zoantharia (or Zoanthidea) is the third largest order of Hexacorallia, characterised by two rows of tentacles, one siphonoglyph and a colonial way of life.
Chevaldonné, P.   +3 more
core  

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