Organisms That Must Rely on Complex, High-Energy Molecules Produced by Other

question 56

Multiple Choice

Organisms that must rely on complex, high-energy molecules produced by other organisms for survival are

• A) producers.
• B) heterotrophs.
• C) autotrophs.
• D) cyanobacteria.
• E) denitrifying bacteria.

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Definitions:

Positive Predictive Value

The probability that individuals with a positive test result actually have the disease.

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.