6

Set 4: Inferences (Intermediate)

Explanation

Answer: B

PASSAGE

Researchers studying honeybee colonies found that worker bees adjust their behavior based on the colony's needs. When more foragers are needed, nurses transition to foraging; when the hive is threatened, workers become guards. Individual bees respond to chemical signals without central coordination, yet the colony behaves as a unified organism.

What can be inferred about bee colony organization?

A. Each bee is assigned a permanent role at birth.
B. Decentralized responses to signals produce emergent collective behavior.✓ Correct
C. A single bee directs all colony activities.
D. Bees cannot change their behavior.

Detailed Explanation

'Without central coordination' + 'behaves as a unified organism' = emergent behavior from decentralized responses.

Key Evidence:

• "respond to chemical signals without central coordination"

• "colony behaves as unified organism"

Why others are wrong: A (They 'transition' between roles.), C ('Without central coordination' = no director.), D (They 'adjust their behavior.').

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