Why do meerkats stand upright?
Show answer & explanation
Answer: Sentinel lookout for predators
Sentinel lookout for predators ✓ — Correct! Cooperative sentinel behavior! Meerkats stand upright on hind legs for predator surveillance. One stands guard while others forage, gaining an elevated 360° view for eagles and jackals, and giving different alarm calls for aerial versus ground threats. Sentinels take turns, and though standing guard sacrifices foraging time, it protects kin and boosts inclusive fitness. They also sunbathe standing, but sentinel duty is primary, and the tail helps with balance.
Stretching their back muscles — Wrong. Meerkats don't stand upright to stretch muscles—they can stretch in other positions. Upright stance is sentinel behavior for spotting predators from elevated viewpoints.
Establishing territory dominance — Wrong. Upright stance is sentinel behavior (predator detection), not territorial display. Meerkats cooperate within groups for survival.
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