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Ctenophora Excretion
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Little is known about how ctenophores get rid of waste products produced by the cells.
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The highest ctenophore excretion rate was 1.5 ng- atoms NH41+-N mg dry weight -1 h -~ in June 1983, ever, the actual difference in ctenophore excretion
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P. Kremer: Ctenophore Respiration and Excretion ..... very few excretion rates have been de- termined for ctenophores or other gela- tinous plankton.
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M. leidyi ctenophores more negatively influence copepod populations than C. quinquecirrha medusae because they are more effective predators of copepods and have broader spatial and temporal occurrence, wider salinity and temperature ranges, greater densities, and a more flexible life history.
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b) Colloblasts : adhesive organelles in Ctenophora spp. 11) No true excretory/respiratory system: excretion of wastes. simple diffusion in gas exchange.
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The ctenophores are diploblastic with a modified radial or biradial symmetry. Their tentacles (see figure A above) have adhesive structures called colloblasts that do not seem to be homologous to the nematocysts (=cnidae) of the Cnidaria.
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Fed ctenophores excreted at a much higher rate than the starved ones, but the slopes of linear regression lines through the data indicated...
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Kremer, P. (1975) Excretion and body composition of the ctenophore Mnemiopsis leidyi (A. Agassiz): comparison and consequences. 10th European Symposium on...
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Part of a millenium inventory of all living species in New Zealand, this chapter contains a review of the biology of ctenophores and a checklist of the 19 species that so far have been collected in New Zealand (marine) waters.
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Almost all ctenophores are predators, taking prey ranging from microscopic larvae and rotifers to the adults of small crustaceans; the exceptions are juveniles of two species, which live as parasites on the salps on which adults of their species feed. 2.1.2 Feeding, excretion and respiration...
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Did you mean:
Ctenophora Excretion
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