Snails Typically Avoid Sunlit Areas,but Some Snails Infected with Certain

question 20

Multiple Choice

Snails typically avoid sunlit areas,but some snails infected with certain parasites become attracted to light and prefer sunlit areas.Which of the following is the most likely hypothesis given the life cycles of many parasites?

• A)The parasite itself must be exposed to light in order to survive in the snail.
• B)The parasite manipulates the behavior of the snail so that it gets eaten more readily,which allows the parasite to complete its life cycle.
• C)The snail is behaving differently in order to rid itself of the parasite.
• D)The snail is dying from the parasite and is therefore looking for the light.
• E)The parasite must exit the snail in a sunlit area in order to move and find its next host.

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Definitions:

Oedipal Complex

A concept in psychoanalytic theory introduced by Sigmund Freud which posits a child's unconscious desire for the opposite-sex parent and jealousy toward the same-sex parent.

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A female parent or guardian who provides care, protection, and guidance to her offspring.

Defence Mechanisms

Psychological strategies brought into play by the unconscious mind to manipulate, deny, or distort reality in order to defend against feelings of anxiety or unacceptable thoughts and feelings.

Psychoanalytic Manoeuvre

A technique used in psychoanalysis to explore the unconscious motives behind one’s behaviors and thoughts.