The contractile vacuole removes excess water, prevents swelling/bursting.
What is paramecium?
Paramecium or Paramoecium is a eukaryotic, unicellular organism. It comes under the ciliate group. They have thousands of cilia covering their body, which is how they are characterized. They are mostly found in freshwater, marine and brackish water. Paramecium are also found attached to the surface at times.
Paramecium primarily reproduce asexually (binary fission). They also show conjugation and are slipper-shaped. They are easily cultivated and are widely used to study biological processes.
So, therefore, the contractile vacuole removes excess water which prevents swelling/bursting.
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