Which of These Interactions Does Not Represent a Typical Parasite-Host

question 41

Multiple Choice

Which of these interactions does not represent a typical parasite-host interaction?

• A) A virus is transmitted by mosquitoes and causes a nonfatal disease in humans.
• B) Leeches attach to a boy swimming in a pond; he removes them as quickly as possible.
• C) Tapeworms become established in a cat and are transmitted to other cats in the household.
• D) A wasp lays eggs in a moth caterpillar; hatched wasps consume and kill the moth caterpillar.
• E) The E. coli bacterium lives normally in the human intestine, but when ingested, it causes disease.

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Definitions:

Population proportion

The proportion of a specific group or characteristic within a defined population.

Margin of error

An indicator of the precision of an estimate, representing the range within which the true population parameter is expected to lie with a certain confidence level.

Confidence interval

A reach of numerical outputs, from sampling statistics, with the potential to cover the hidden value of a population parameter.

True proportion

The actual ratio or fraction of individuals or items within a population that possesses a particular characteristic.