What Are Indicator Organisms

question 42

Multiple Choice

What are indicator organisms?

• A) Microbes that are contaminants in laboratory media.
• B) Microbes whose presence in an environment suggests fecal contamination.
• C) Microbes whose presence in an environment suggests the presence of animal urine.
• D) Microbes that alert a physician to the presence of a gastrointestinal illness.
• E) All of the choices are correct.

---

Definitions:

Income Increases

Refers to a situation where an individual's or entity's earnings grow over a period, leading to higher financial resources.

Taxable Income

The portion of an individual's or organization's income that is subject to federal, state, or other forms of taxation.

Marginal Tax Rate

Marginal Tax Rate is the percentage of tax applied to your income for each tax bracket in which you qualify.

Federal Government Expenditures

Federal Government Expenditures refer to the total amount of money spent by the national government, including spending on defense, education, public safety, and social programs.