Paramecium are oval-shaped, have two nuclei (one large and another small), and has cilia unlike amoeba and euglena. Euglena, instead of cilia, has a flagellum that is uses for locomotion. Euglena also has an eyespot that is sensitive to light and have green chlorophyll pigment. Amoebas have no fixed shape and have no cilia or flagella. They move by use of pseudopodia.
Its a question still unanswered today surveys and studies showed that nearly all those that were left behind with African Americans which portrayed the race act but other studies showed that those that left were families that were financially stable and could afford to move to a safe flood protected areas and had additional resources to evacuate more easier than others.
Alot of speculation but nonetheless