Results 261 to 270 of about 65,697 (317)
Innovative silvofishery model in restored mangrove forests: A 10-year assessment. [PDF]
HeliyonSuyono, Fithor A.
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Nature, 1960
IN Nature of March 12, p. 749, Drs. L. R. Cox and W. J. Rees reviewed a paper by the Japanese authors Kawaguti and Baba on a bivalved gastropod they had described under the generic name Tamanovalva. I should like to put on record a further occurrence of this remarkable group of molluscs.
L R, COX, W J, REES
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IN Nature of March 12, p. 749, Drs. L. R. Cox and W. J. Rees reviewed a paper by the Japanese authors Kawaguti and Baba on a bivalved gastropod they had described under the generic name Tamanovalva. I should like to put on record a further occurrence of this remarkable group of molluscs.
L R, COX, W J, REES
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Calcified arteries in a gastropod
Calcified Tissue Research, 1977The anterior aorta and major arteries of the land pulmonate snail Anguispira alternata have large calcium deposits in their walls. These deposits occur inside spherule cells, which line the walls of these vessels. The calcium occurs as amorphous calcium carbonate, in the form of intracellular spherules having alternating layers of organic and inorganic
A S, Tompa, N, Watabe
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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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1988
Fossil gastropods seem to be ideally suited for studies of heterochrony. The description and analysis of heterochrony in evolutionary sequences require a detailed understanding of the ontogeny of the organisms involved. Not only must the ontogeny be well-preserved in its entirety, but the basic parameters underlying growth must be amenable to ...
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Fossil gastropods seem to be ideally suited for studies of heterochrony. The description and analysis of heterochrony in evolutionary sequences require a detailed understanding of the ontogeny of the organisms involved. Not only must the ontogeny be well-preserved in its entirety, but the basic parameters underlying growth must be amenable to ...
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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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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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