All protozoans possess

All protozoans are

When a fresh-water protozoan possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will

When a freshwater protozoan possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will:

When a fresh-water protozoan possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will

When a fresh-water protozoan possessing a contractile vacuole,is placed in a glass containing marine water,the vacuole will:

When a freshwater protozoan possessing a contractile vacuole is placed in a glass containing marine water, the vacuole will

When a fresh-water protozoan possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will