2 algaeAny of various plantlike protists. Diatoms and seaweed are kinds of algae.
3 diatom A single liter of ocean water may contain millions of diatoms. A microscopic, one-celled type of algae with a glasslike cell wall.A single liter of ocean water may contain millions of diatoms.
4 ethanolA kind of alcohol used to make medicines, food products, and various other items. Ethanol is a flammable liquid.
5 fermentationA chemical change in which an organism breaks down sugar to produce carbon dioxide and alcohol or lactic acid.
6 fungus/fungi (plural) Any of a large group of organisms that feed on dead organisms or that are parasitic. A mushroom is a fungus.
7 multicellularMade up of more than one cell. Some protists are multi-cellular.
8 planktonOrganisms, generally microscopic in size, that float or drift in the ocean. Plankton is a source of food for fish.
9 protistAny of a large group of mostly single-celled, microscopic organisms. Amoebas and algae are protists.
10 protozoanProtists that have traits like those of animals. Some have a method of locomotion to obtain food; however, some do not move on their own.
11 saprophyteAn organism that lives on dead or decaying material. Molds are saprophytes.
12 sporeA reproductive cell that can develop into a new organism. Ferns and mushrooms produce spores.