Which of the Following Statements Is a Correct Distinction Between

question 9

Multiple Choice

Which of the following statements is a correct distinction between autotrophs and heterotrophs?

• A) Only heterotrophs require chemical compounds from the environment.
• B) Cellular respiration is unique to heterotrophs.
• C) Only heterotrophs have mitochondria.
• D) Autotrophs, but not heterotrophs, can nourish themselves beginning with CO₂ and other nutrients that are inorganic.
• E) Only heterotrophs require oxygen.

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Definitions:

Specificity

The ability of a test to correctly identify those without the disease or condition being tested for.

Positive Predictive Value

The probability that subjects with a positive screening test truly have the disease.

Prevalence

The total number of cases of a disease that exist in a particular population at a specific time.

False-Positive Diagnosis

An erroneous identification where a test incorrectly indicates the presence of a condition that is actually absent.