| A | B |
|---|
| algae | any of various plantlike protists |
| diatom | a microscopic, one-celled alga with a glasslike cell wall |
| ethanol | a kind of alcohol used to make medicines, food products, and various other items |
| fermentation | a chemical change in which an organism breaks down sugar to produce carbon dioxide and alcohol or lactic acid |
| fungi | any of a large group of organisms that feed on dead organisms or that are parasitic |
| multicellular | made up of more than one cell |
| plankton | organisms, generally microscopic in size, that float or drift in the ocean |
| protist | any of a large group of mostly single-celled, microscopic organisms. |
| protozoan | protists that have animal-like traits |
| saprophyte | an organism that lives on dead or decaying matter |
| spore | a reproductive cell that can develop into a new organism |
