All of the Following Are Nonspecific Defense Mechanisms or Barriers

question 13

Multiple Choice

All of the following are nonspecific defense mechanisms or barriers used by an animal except:

• A) acid secretions of the stomach.
• B) inflammation.
• C) antibodies.
• D) mucus in the respiratory tract.
• E) skin.

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Definitions:

Fungi

A kingdom of organisms that includes yeasts, molds, and mushrooms, which are characterized by a lack of chlorophyll and reproduction through spores.

Protists

A diverse group of eukaryotic organisms, mostly unicellular, that are not animals, plants, or fungi, including algae, amoebas, and others.

Primary Consumer

An animal that eats producers (e.g., plants or algae).

Decomposer

Organisms, primarily bacteria and fungi, that break down dead organic material, contributing to nutrient recycling in ecosystems.