1) Go to search (in Windows charm bar) and type defender and click on it. 2) Once Windows defender is opened, Iâm sure it will be green because it is running currently. Go to âSettingsâ tab and select âAdministratorâ. Remove the tick from âTurn on this appâ to remove windows defender on Windows 8.1. Make sure to save the changes, a warning message will appear as below and Windows defender screen will be changed to red.
Examples of cells that contain this contractile vacuole are amoeba, paramecium, and some types of algae. Some sponges (including amoebocytes, pinacocytes, and choanocytes), singled-celled fungi, and hydra also have contractile vacuoles.
Report Abuse. The contractile vacuole pumps excess water out of a cell (and is found prominently in freshwater protists.) A food vacuole is a structure inside certain cells where food is digested. So, the food vacuole takes in food and digests it while a contracile vacuole pumps water out.Herm Â· 8 years ago.est Answer: Contractile vacuole plays a part in osomoregulation. It stores excess water that enters the cell and after a stage expells it to the exterior. Food vacuole keeps food and lets digestion proceed within it.