Giardia cysts are found in MOST surface water sources in the United States
Indicate whether the statement is true or false.
Answer: TRUE
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Because filtration removes rather than destroys microorganisms, it does not truly sterilize the materials passing through the filter.
Answer the following statement true (T) or false (F)
Based on the life cycle of Schistosoma species, which of the following would be MOST effective in controlling schistosomiasis?
A) elimination of stagnate water B) bed nets C) proper sewage and water treatment D) frequent sanitization of shared toilets, showers, and saunas
What two-word phrase is an explanation of a set of related observations based on well-supported hypotheses from a number of different, independent lines of research?
What will be an ideal response?
In which of the following pairs are the organisms most closely related taxonomically?
A. mushroom...oak tree B. spider...crayfish C. Bacterium ... paramecium D. Sea star..clam E. rosebush..diatom