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Collection of Large and Small Food Particles by Bosmina

Agnes H. Bleiwas and Pamela M. Stokes
Limnology and Oceanography
Vol. 30, No. 5 (Sep., 1985), pp. 1090-1092
Stable URL: http://www.jstor.org/stable/2836592
Page Count: 3
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Collection of Large and Small Food Particles by Bosmina
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Abstract

The rate of collection by Bosmina of large and small food particles was measured with $^14 C-labeled$ algae and checked by visual observation. Bosmina collected and ingested a large alga, Cosmarium, about six times faster than a small one, Chlorella. This is consistent with the observation of DeMott and Kerfoot that Bosmina has two modes of feeding: small-particle filtering and large-particle grasping.

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