Results 251 to 260 of about 80,233 (300)
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American Malacological Bulletin, 2018
: Terrestrial gastropod inventories can be improved, both in scope and thoroughness, by including species observations made by citizen scientists. Few citizen science projects, however, focus on terrestrial gastropods and perhaps none has mobilized ...
Jann E. Vendetti +2 more
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: Terrestrial gastropod inventories can be improved, both in scope and thoroughness, by including species observations made by citizen scientists. Few citizen science projects, however, focus on terrestrial gastropods and perhaps none has mobilized ...
Jann E. Vendetti +2 more
semanticscholar +1 more source
Osmotic balance in gastropod molluscs—I some marine and littoral gastropods
Comparative Biochemistry and Physiology, 1965Abstract 1. 1. Blood and urine concentrations of Turritella communis, Littorina saxatilis and other common littoral Gastropods were measured in normal, dilute and concentrated sea-waters and on exposure and reimmersion. The body fluids of active animals were isosmotic with the medium under all tolerated conditions and there was no evidence of ...
A C, Avens, M A, Sleigh
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2002
Pleurotomarioidean gastropods are continuously present in the fossil record since the Upper Cambrian and survive into the Recent fauna, thus providing rare insights into the evolutionary history of the class Gastropoda. Pleurotomarioidea achieved greatest numerical and morphological diversity during the Paleozoic, and dominated global shallow water ...
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Pleurotomarioidean gastropods are continuously present in the fossil record since the Upper Cambrian and survive into the Recent fauna, thus providing rare insights into the evolutionary history of the class Gastropoda. Pleurotomarioidea achieved greatest numerical and morphological diversity during the Paleozoic, and dominated global shallow water ...
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2010
Over their 500 million yearhistory, gastropods have radiated into marine, freshwater and terrestrial environments and adopted life styles ranging from herbivory to carnivory to endoparasitism to symbiont-mediated chemoautotrophy. They contend with many pathogens, including several lineages of specialized eukaryotic parasites.
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Over their 500 million yearhistory, gastropods have radiated into marine, freshwater and terrestrial environments and adopted life styles ranging from herbivory to carnivory to endoparasitism to symbiont-mediated chemoautotrophy. They contend with many pathogens, including several lineages of specialized eukaryotic parasites.
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Biological Reviews, 1983
Summary(I). Gastropods use chemoreception for a wide variety of behaviours including feeding, homing, escape from predators and a variety of social and reproductive behaviours. Chemoreception is used to locate distant food sources, and to discriminate between potential foods.
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Summary(I). Gastropods use chemoreception for a wide variety of behaviours including feeding, homing, escape from predators and a variety of social and reproductive behaviours. Chemoreception is used to locate distant food sources, and to discriminate between potential foods.
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Notes for a Short Course: Studies in Geology, 1985
Paleoecology concerns the life processes and patterns of environmental relationships of groups of ancient organisms during their lifetimes. Two assumptions are fundamental to paleoecological theory: observed patterns in populations, associations, communities and ecosystems represented in the fossil record were imposed by contemporaneous physical and ...
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Paleoecology concerns the life processes and patterns of environmental relationships of groups of ancient organisms during their lifetimes. Two assumptions are fundamental to paleoecological theory: observed patterns in populations, associations, communities and ecosystems represented in the fossil record were imposed by contemporaneous physical and ...
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Water, Air and Soil Pollution, 2023
E. Curren, Denise Ching Yi Yu, S. Leong
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E. Curren, Denise Ching Yi Yu, S. Leong
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Quaternary Structure of Gastropod Haemocyanin
Nature, 1972Three-dimensional image reconstruction shows haemocyanin to be made of three distinct parts. At the ends of the particle are a five-fold “collar” and a central “cap”. The cylindrical wall consists of sixty dimers which may be correlated with 120 oxygen binding sites.
J E, Mellema, A, Klug
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2002
Abstract The phylum Mollusca is second only to the Anthropoda in number of species. The molluscan lineage has been extremely plastic, and a great variety of structural plans have appeared. Of the seven classes of molluscs (Fig. 1.1), the largest is Gastropoda, which accounts for about 80% of the extant fauna.
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Abstract The phylum Mollusca is second only to the Anthropoda in number of species. The molluscan lineage has been extremely plastic, and a great variety of structural plans have appeared. Of the seven classes of molluscs (Fig. 1.1), the largest is Gastropoda, which accounts for about 80% of the extant fauna.
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Escape responses of three herbivorous gastropods to the predatory gastropod Conus textile
Animal Behaviour, 1966Summary The herbivorous gastropods Strombus canarium, Lambis lambis, and Trochus pyramis evince escape responses, probably mediated by distance chemoreception, in the presence of the predatory gastropod Conus textile. In Strombus and Lambis, the response has two components: increase in the absolute rate of locomotion, and direction of locomotion ...
A J, Kohn, V, Waters
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