Wednesday, November 11, 2009

Initial examination of the microaquarium showed this amoeba located in the center of the non carnivorous plant at the middle of the water level. The water level was not substantially lower this week then it was last week which means that not a lot of water had evaporated in the alloted time period from my last observation.

I identified this amoeba in the Free-Living Freshwater Protozoa: A Color Guide by D.J. Patterson. I learned that this is a single celled amoeba with one large nucleus. The cell was opaque in color because of its food ingestion vacuoles according to Patterson's guide.

This amoeba did show motion. I do not believe the movement occurred because of flagella or existing cillia. I believe this because I did not see any flagella and the organism moved in a gelatinous slug like manner. I believe this organism moved as a result of a series of liquid vacuole contractions.

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