GCSE Biology 3rd edition
IGCSE Biology 3rd edition

Structure of Vorticella

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Structure of Vorticella

Vorticella has a stalk which attaches it to pondweed or pond debris and which can retract if the protozoan is disturbed. The cilia do not cover the body but are restricted to a double row on the upper margin. The cilia create a feeding current which wafts food particles into the oral groove.

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