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Set 3: Inferences

Explanation

Answer: C

PASSAGE

Crows can recognize individual human faces and remember them for years. In one study, crows that had been captured and tagged would scold and dive-bomb the researchers who had handled them, while ignoring other people walking nearby.

What can be inferred about crow cognition?

A. Crows have poor long-term memory.
B. They cannot distinguish between different humans.
C. They can form lasting memories and recognize specific individuals.✓ Correct
D. They attack all humans equally.

Detailed Explanation

Crows targeted specific researchers 'for years' while ignoring others—proving face recognition and long-term memory.

Key Evidence:

• "recognize individual human faces"

• "remember them for years"

• "ignoring other people"

Why others are wrong: A ('Remember for years' = good long-term memory.), B (They distinguished researchers from others.), D (They 'ignored other people.').

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