How do changing solute concentrations affect a paramecium?

Changing solute concentrations affect paramecia by altering the osmotic balance within their cells. In a hypertonic environment, water moves out of the paramecium, potentially leading to dehydration and cellular shrinkage. Conversely, in a hypotonic environment, water enters the cell, which can cause it to swell and risk bursting. Paramecia manage these changes using contractile vacuoles to expel excess water and maintain homeostasis.