A prepositional phrase is a group of words that begins with a preposition and ends with a noun or a pronoun. This noun or pronoun is called the âobject of the preposition.â. Here are some sample prepositional phrases: 1  By the ocean. 2  Near the window.
The five kingdoms of living organisms are the kingdom Monera, the kingdom Protista, the kingdom Fungi, the kingdom Plantae and the kingdom Animalia. Viruses are not included in this classification and sometimes are said to belong to their own kingdom, the kingdom Virus.iving organisms are classified, going from the broader to the more specific category, into kingdom, phylum, class, order, family, genus and species (KPCOFGS can be used as a mnemonic). Kingdom is the broadest category each following category is a subcategory of the previous one.
HIV belongs to a class of viruses called retroviruses, all of which take up permanent residence by integrating their genes into their host's chromosomes. This ensures the long-term survival of the virus and makes it virtually impossible to eliminate from the body.