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原文連結
論文資訊
- 類型：已發表論文
- 日期：2016-04-22
摘要
Figs are keystone resources that sustain chimpanzees when preferred fruits are scarce. Many figs retain a green(ish) colour throughout development, a pattern that causes chimpanzees to evaluate edibility on the basis of achromatic accessory cues. Such behaviour is conspicuous because it entails a succession of discrete sensory assessments, including the deliberate palpation of individual figs, a task that requires advanced visuomotor control. These actions are strongly suggestive of domain-specific 資訊 processing and decision-making, and they call attention to a potential selective force on the origin of advanced manual prehension and digital dexterity during primate 演化. To explore this concept, we report on the foraging behaviours of chimpanzees and the spectral, chemical and mechanical pr
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