Final answer:
Large social groupings of primates increase the likelihood of early predator detection through cooperative vigilance.
Step-by-step explanation:
Large social groupings of primates are advantageous as they increase the likelihood of early predator detection. When primates live in large groups, there are more individuals available to keep watch for potential threats. This allows for a collective effort in predator detection, where multiple individuals can sound alarm calls or display warning behaviors to alert the entire group.
For example, in a group of monkeys, if one individual detects a predator, such as a leopard, it can vocalize a loud alarm call that signals danger. This call is heard by other group members, who will then take defensive actions, such as climbing up trees or forming a tight-knit group. By having more eyes and ears on the lookout, large social groupings increase the chances of detecting predators early, providing a better chance for survival.
Overall, the advantage of large social groupings in primates lies in their ability to detect predators early through cooperative vigilance, leading to increased chances of survival for all group members.