Which Statement Does Not Describe Helminthic Parasites

question 38

Multiple Choice

Which statement does not describe helminthic parasites?

• A) All reproduce sexually.
• B) All belong to one of two groups: roundworms or flatworms.
• C) All are hermaphroditic.
• D) An important mode of transmission is ingestion of the eggs or organism from feces- contaminated food and water.
• E) All tend to have complex life cycles that can involve different host species.

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Definitions:

Nondirectional Correlation

Nondirectional correlation describes the relationship between two variables without specifying whether the relationship is positive or negative, indicating only that a correlation exists.

Unidirectional Correlation

A correlation where an increase in one variable is consistently associated with an increase or decrease in another variable, without reversals in direction.

One-tailed Hypothesis

A hypothesis that specifies the direction of an expected difference or relationship, testing for the possibility of an effect in one direction only.

Two-tailed Hypothesis

A hypothesis test that considers both directions of effects by investigating the possibility of a relationship in two ways, either greater than or less than.