IGCSE Biology 4th edition

Biology books by
D G Mackean


Paramecium Motion

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Paramecium Motion

If paramecium encounters an obstacle, it reverses the ciliary beat and moves back. It then changes direction slightly and moves forward. It will do this repeatedly until it gets past the obstruction. This reaction also shows that paramecium is sensitive to stimuli (in this case, the stimulus of touch).

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