SAT Question e3484c07: Answer & Explanation

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

• Bioluminescence is the emission of light by living organisms.
• This light is produced by chemical reactions in organisms’ cells.
• Jellyfish emit flashes of blue light.
• This behavior serves to startle predators.
• Black dragonfish emit a steady red light.
• This behavior helps them locate prey in deep waters.

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Difficulty:Easy

The student wants to emphasize a difference between the behavior of jellyfish and that of black dragonfish. Which choice most effectively uses relevant information from the notes to accomplish this goal?

Both jellyfish and black dragonfish are organisms that emit light, which is produced by chemical reactions in these organisms’ cells.

Black dragonfish emit a steady red light, which helps them locate prey in deep waters.

Bioluminescence, the emission of light by living organisms, results from chemical reactions in organisms’ cells.

Jellyfish emit light to startle predators, whereas black dragonfish do so to locate prey.

SAT Question e3484c07: Rhetorical Synthesis answer and explanation

Explanation

Why the other choices are wrong