some members of the normal microbiota can become opportunistic pathogens when given the proper conditions. one example given in the activity is the overgrowth of clostridium difficile in an individual undergoing antibiotic therapy. why might antibiotics increase the chances of an opportunistic infection by the normal microbiota?

What effect does plate tectonics have an organic evolution

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen