Which Statement About Horsehair Worms Is True

question 37

Multiple Choice

Which statement about horsehair worms is true?

• A) They are parasites of horses and cows.
• B) Their larvae are internal parasites of freshwater crayfish and insects.
• C) The adult worms are parasitic and inhabit the digestive tracts of aquatic insects.
• D) Adults have well-developed digestive systems.
• E) They cause trichinosis in humans.

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Definitions:

Immunity

Resistance to infectious disease and harmful substances.

Antibodies

Proteins produced by the immune system that recognize and neutralize pathogens like bacteria and viruses.

Cholesterol

A type of fat found in blood that is essential for creating cell membranes and certain hormones.

Essential Amino Acid

Amino acid, required by animals, that must be supplied in the diet.