According to Simpson, protists can be photosynthetic or heterotrophs (organisms that seek outside sources of food in the form of organic material). In turn, heterotrophic protists fall into two categories: phagotrophs and osmotrophs.
Questions asked by the same visitor. The most widely used index for magazine articles is the. Weegy: The Article Index User: The most widely used index for magazine articles is the Periodical Reference GuideReaders' Guide to MagazinesReaders' Guide to Periodical Literature. Weegy: Answer is Readers' Guide to Periodical Literature (More).
Examples of Popular Magazines: Scholarly Articles (Journals) 1  Are written by and for faculty, researchers or scholars (chemists, historians, doctors, artists, etc.) 2  Uses scholarly or technical language. 3  Tend to be longer articles about research.  Include full citations for sources.