In two separate boating incidents, one as a teenager on the Mississippi River and one on the Great Lakes, President Lincoln got his boats stuck in shallow waters, known as shoals.. These two experiences inspired Lincoln to invent a solution to help him navigate his boat through shallow waters.
Algae are simple plants. The biggest similarity with more  'regular' lants is that they both contain chlorophyll    Green algae and plants are sister taxon, that is, tâ¦hey share a  common ancestor.    For this reason, they both have double membrane bound plastids that  contain chlorophyll a and b.
Types of Protists. A. Plantlike Protists. 1. algae = single-celled and many-celled plantlike protists. a. All algae contain chlorophyll in chloroplasts and make their own food (they are producers). b. The algae may also contain other pigments (colors) in addition to chlorophyll, giving them a color. other than green. (The chlorophyll is there, it is just âoverpoweredâ by the other color.) 2. Almost all algae live in water.