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).
In occupational health, the most commonly used index worldwide is the wet-bulb globe temperature (WBGT) index. This index was developed by Yaglou and Minard (1957), initially to study the relationship between heat and physiological consequences during military trainings.