Which of the Following Is an Example of a Mutualistic

question 56

Multiple Choice

Which of the following is an example of a mutualistic interaction?

• A) Barnacles obtain safe haven by riding on a whale, while the whale is unaffected.
• B) A bacterium fixes nitrogen, thereby providing nutrient for a plant, while the plant provides protection for the bacterium.
• C) A virus infects a bird, thus reducing the bird's fecundity.
• D) Both a and b
• E) None of the above

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Definitions:

Identification

A psychological process in which an individual assimilates aspects, properties, or attributes of another person and is transformed, wholly or partially, by the model the other provides.

Repression

A defense mechanism where distressing thoughts, memories, or feelings are unconsciously blocked from conscious awareness.

Psychosexual Stage

A theory by Sigmund Freud that proposes children pass through a series of stages centered on erogenous zones.

Sexual Interests

The specific desires, preferences, or attractions an individual has regarding sexual activities and partners.