Which of the following statements regarding tropism is/are true? to be marked correct, you'll need to select all true statements, as there may be more than one correct answer. which of the following statements regarding tropism is/are true? to be marked correct, you'll need to select all true statements, as there may be more than one correct answer. most microorganisms do not have a preference for a particular host or host tissue. tropism is a static property that does not typically change over time. most emerging pathogens have expanded host or tissue range. even if a pathogen successfully invades its preferred host tissue, it may not necessarily cause disease.