In Entamoeba contractile vacuoles is absent, present in Amoeba. Entamoeba is a parasite, so it would have no need of contractile vacuoles.
A plant cell can be identified from an animal cell by the : (a) absence of centrosome. (b) presence of cell membrane. (c) presence of vacuoles (d) none of the above
The kidneys resemble the contractile vacuoles of amoeba in: