They are divided into groups with different jobs, such as workers, soldiers and queens.

它们被分为从事不同作的体，如蚁、兵蚁和蚁后。

Soldiers are chiefly defenders of the nest.

兵蚁的首要任务是守护巢穴。

For a few species, soldier termites are absent; therefore, nymphs and workers defend the colony.

对于少数白蚁种类，兵蚁是不存在的；因，和蚁落。

We can say that the social life of termites began more than 20 million years ago as shown by this brave soldier died on the field with honor.

我们能说白蚁的社会生活在两千多万年前就开始了这名光荣捐躯的勇敢兵蚁就是很好的说明。

Like, how a queen ant's nutrition and pheromones can chemically alter an ant embryo to either produce a soldier or worker ant based on what's needed for the colony.

比如，蚁后的营养和信息素是如何通过化学作用改变蚂蚁胚胎，使其根据蚁的需要产生兵蚁或蚁。

With chimpanzees, who are our closest living relative, they have fashioned these tools to extract termites from the mound, and the termites they're getting are the soldiers and they're really protein-rich.

黑猩猩是人类现存的最接近的亲属，它们发明了这些具来从蚁丘中取出白蚁，它们得到的白蚁就是兵蚁， 这些白蚁富含蛋白质。