Question

If a marine amoeba is put in freshwater will it develop contractile vacuole

Answer 1

• Marine amoeba is isotonic in water and they do not have contractile vacuoles. ... That's why they developed contractile vacuoles when they kept in freshwater. But they lost their contractile vacuoles when transferred to seawater. There is already hypertonic environment in seawater to control water loss by themselves.

Answer 2

Yes it will , develop contractile vacuole