Wafa123
Wafa123 Wafa123
  • 22-04-2019
  • Biology
contestada

why fresh water protozoa bear contractile vacuole?

Respuesta :

jamuuj jamuuj
  • 01-05-2019

Answer:

It lacks a wall thus use the contractile vacuole to collect and expel excess water from the cell.

Explanation:

  • The contractile vacuole regulates the quantity of water inside a cell through a process known as osmoregulation.Osmosis constantly drives water in the cell since it is enclosed by a semipermeable membrane that can not keep the water out thus it is needed to prevent rupturing of the cell due to excess water in the cell.
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