Research the following problem using a search engine such as www.altavista.com or www.google.com. Please avoid doing searches with AOL, Ask An Expert, or Ask Jeeves. They do not provide the full breadth of Websites needed to investigate scientific topics. Before pursuing this activity, first come up with a list of key words or phrases you would need to perform an accurate and concise search.
The origins and evolution of viruses currently perplexes microbiologists. See if you can find answers to the following questions: 1) What is the prevailing view explaining the origin of all viruses? 2) What is the purported ancestor of animal viruses? 3) How did the viruses of modern plants arise?
