They've evolved a separate caste of armed soldiers who protect the workers. 它们进化出了 一个武装士兵群体来保护工蚁
Back at her nest, the scout summons an army of her own. 侦察兵从巢穴召集了一支军队
has been raging for millions of years... 已经持续了数百万年
She's a member of another ancient group of social insects... 它是另一个 古代社会性昆虫群体的成员
Armed with the news of her discovery, 它带着新发现的消息
while also being the prime food source of their enemies. 同时也是敌人的主要食物来源
first appeared in the age of dinosaurs... 最早出现在恐龙时代
we can still find the descendants of those early supersocializers. 我们仍然可以找到 早期超级社会性动物的后代
But even they couldn't compare with the greatest social animals of their age, 但即使是它们也无法 与当时最伟大的社会性动物相比