Which of the following characteristics is common to Amoeba and Paramecium?

  • A Oral groove
  • B Trichocyst
  • C Contractile vacuole
  • D Cilia
jamb 1990biology

The correct answer is C. Contractile vacuole

Both amoeba and paramecium are unicellular eukaryotes that live in freshwater habitats.

They use contractile vacuoles to regulate the water balance in their cells by expelling excess water

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