protista

• Amoeba are in the kingdom Protista.
• Amoeba is a microscopic organism that lives at the bottom of freshwater ponds and streams.
• Some other species of Amoeba may be found in seawater.
• Amoeba are unicellular, consisting of 1 single cell.
• Amoeba are heterotrophs, they take in food.
• Amoeba consist of a small amount of cytoplasm, which is surrounded by a cell membrane.
• Amoeba have no fixed shape, their shape constantly changes to allow them to move from place to place.
• Amoeba have pseudopodia, which are false feet.
• Amoeba have a contractile vacuole, which collects water that enters the Amoeba.
• The contractile vacuole regulates the amount of water in the Amoeba.
• The contractile vacuole collects excess water that moves into the Amoeba.
• The contractile vacuole moves to the surface of the cell, where it contracts or bursts.
• The contractile vacuole releases the excess water out of the cell.
• The function of the contractile vacuole is osmoregulation.