Alarm signals in primates are an example of

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Alarm signals in primates, such as vocalizations or gestures, are examples of a behavioural defence. By communicating an imminent threat to other members of their group, primates are able to reduce their risk of predation or attack. Chemical defence (A) refers to the use of toxins or other chemicals to deter predators, while structural defence (B) refers to physical adaptations like armor or spines. Aposematism (D) refers to the use of bright, warning coloration to signal to predators that a potential prey item is unpalatable or poisonous, but this is not applicable to alarm signals in primates.

Alarm Signals in Primates Are an Example of