Which Statement About the Relationship Between Consumers and Producers Is

question 15

Multiple Choice

Which statement about the relationship between consumers and producers is true?

• A) Consumers obtain energy by eating other organisms; producers obtain energy by decomposing dead matter.
• B) Consumers obtain energy from an external source to produce their own food; producers obtain energy by decomposing dead matter.
• C) Consumers obtain energy by eating other organisms; producers use energy from an external source to produce their own food.
• D) Consumers and producers both obtain energy by eating other organisms; the difference lies in what types of organisms they eat.

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Definitions:

Extracellular Antigens

Foreign substances outside cells that trigger an immune response.

B Cells

A type of white blood cell that plays a key role in the immune response by producing antibodies against antigens.

Antibody-Mediated Immunity

Immunity due to B cells and the production of antibodies.

Cell-Mediated Immunity

Immunity due to the actions of T cells and null cells.