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).
How to Cite an Article With an Article Number Instead of a Page Range. Several online-only journals publish articles that have article numbers rather than unique page ranges. That is, instead of the first article in the issue starting on page 1, the second on page 20, the third on page 47, and so on, every article starts on page 1.