Complex sentence: The Amoeba was also found in Disney world in the bay lake area in between the 1970s to the 1990s.this caused the closing of some of the parks or attractions around the lake.
Split into simpler sentences: The Amoeba was also found in Disney world in the bay lake area in between the 1970s to the 1990s. This caused the closing of some of the parks or attractions around the lake.