Rhetorical Synthesis

SAT Reading and Writing· difficulty 3/5

While researching a topic, a student has taken the following notes:

<ul> <li>Bioluminescence is the production of light by living organisms.</li> <li>It occurs in many species of fish, fungi, insects, and bacteria.</li> <li>The process involves a molecule called luciferin reacting with oxygen.</li> <li>Most marine bioluminescence emits blue or green light.</li> <li>Bioluminescence serves functions including attracting mates, deterring predators, and luring prey.</li> </ul> The student wants to summarize what bioluminescence is for an audience unfamiliar with the topic. Which choice most effectively uses relevant information from the notes to accomplish this goal?

Which choice most effectively makes the student's point?

  • A

    Most marine bioluminescence emits blue or green light.

  • B

    Bioluminescence serves to attract mates and deter predators.

  • C

    Bioluminescence is the production of light by living organisms, occurring in many species through a chemical reaction involving luciferin and oxygen.

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  • D

    Luciferin reacts with oxygen to produce light.

Explanation

A summary for the unfamiliar must define and briefly explain. Choice C defines the term, names the kinds of organisms, and identifies the mechanism. The others address subdetails.

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