Vacuole. Amoeba is a unicellular organism formerly grouped under Kingdom Protista. Amoeba in freshwater need contractile vacuole to control input and output of water. (osmosis). Without this structure, ameboid cells will be filled with water and eventually burst.
Euglena are like all other cells because they<span> grow and reproduce. They obtain nutrients by taking in other microorganisms an make their own food by using the energy from sunlight.</span>
Well those that are in that ecostems could died from no water or the could walk on it and it breaks
Fish would be renewable since they can be reproduced.
We cant make gold, or oil, and gasoline comes from oil, so all are non-renewable
