BI-546
Osmosis
Biology · Secondary 3 · Medium · Osmosis
A Paramecium living in freshwater constantly expels water using its contractile vacuole. Why does water continuously enter the Paramecium?
- Water diffuses in because the cytoplasm has higher water potential.
- Water enters by osmosis from higher to lower water potential outside to inside.
- Water is actively transported into the cell using energy.
- Water is pumped in by the contractile vacuole.
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