sea urchin

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Words related to sea urchin

shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells

References in periodicals archive ?
KEY WORDS: preferred temperature, thermal stress, oxygen consumption, black sea urchins, Arbacia stellata
Several dozen Arbacia found in rocky crevices and artificial recruitment modules (ARM's) (Kushner et al.
As a contrast for our crab assays, we determined feeding preferences of larger omnivores that commonly co-occur with the crabs: the sea urchin Arbacia punctulata and the pinfish Lagodon rhomboides.
The purple sea urchin Arbacia punctulata is common year-round.
Action de trois substances supposees ectocrines (riboflavine, acide glutamique, glycine) sur la cinetique du developpement de l'oeuf et la croissance de la larve de deux especes d'echinides: Arbacia lixula et Paracentrotus lividus.
Of the 14 species of sea urchins found off the coast of Argentina, Arbacia dufresnii is the most abundant.
A new method of producing twins, triplets and quadruplets in Arbacia punctulata.
Estos autores, senalan que entre el 3 y 11% de la energia total invertida en cada huevo por el erizo Arbacia punctulata, es derivada a la formacion de esta cubierta y que existe una relacion significativa y positiva entre su volumen y la cantidad de energia contenida.
Pilumnidae Pilumnus caribaeus Pilumnus dasypodus Pinnotheridae Calyptraeotheres hernandezi Echinodermata, Asteroidea Echinasteridae Echinaster echinophorus Luidiidae Luidia alternata Ophiuroidea Ophiuridae Ophiolepis impressa Ophiocomidae Ophiocomella ophiactoides Ophiodermatidae Ophioderma appressa Ophioderma brevispina Ophioderma cinerea Ophioderma brevicauda Ophiactidae Ophiactis savignyi Amphiuridae Ophiostigma isocanthum Ophiotrichidae Ophiothrix angulata Ophiothrix orstedii Echinoidea Clypeasteridae Clypeaster subdepressus Arbaciidae Arbacia punctulata Tqxqpneustidae Lytechinus variegatus Holothuroidea Cucumariidae Aslia surinamensis Holothuridae Holothuria mexicana Holothuria grisea Stichqpodidae Isostichopus badionotus
The purpose of this experiment was to observe normal embryonic development of the sea urchin, Arbacia.
Egg quality also varies with season and with location of adults of the sea urchin Arbacia lixula (George 1990).
This was at a time when populations of the common purple sea urchin, Arbacia punctulata, popular especially for embryological research at MBL, were heavily harvested and dangerously depleted.
Skeletal development in Arbacia, Echinarachnius, and Leptasterias.
Using quadratic regression analysis, these authors suggested that Arbacia punctulata individuals showed a lower increase in buoyant weight at pH 8.
Both monosaccharides, glucose and mannose participate in the gamete interaction in the anuran Bufo arenarum (Del Pino & Cabada, 1987), as well as that of the sea urchin Arbacia punctulata (Schmell et al.