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Set 1: Inferences

Explanation

Answer: B

PASSAGE

The cuttlefish can change its skin color in less than a second. Scientists believe this rapid color change serves multiple purposes: camouflage from predators, communication with other cuttlefish, and intimidation of rivals.

What does the passage imply about the cuttlefish's color-changing ability?

A. It is used for only one specific purpose.
B. It is a versatile adaptation with several functions.✓ Correct
C. It only works in deep water.
D. It is a disadvantage in competitive environments.

Detailed Explanation

The passage lists three purposes: camouflage, communication, and intimidation. An adaptation serving 'multiple purposes' is by definition versatile.

Key Evidence:

• "serves multiple purposes"

• "camouflage"

• "communication"

• "intimidation"

Why others are wrong: A (The text explicitly says 'multiple purposes.'), C (Water depth is not discussed.), D (It helps with intimidation of rivals—an advantage.).

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