Batra observed the cooperative behavior of the bees, males and females alike, as they took responsibility for at least one duty (i.e., burrowing, cell construction, oviposition) within the colony.
Batra observou o comportamento cooperativo das abellas, tanto de machos coma de femias, cando tomaban a responsabilidade de polo menos unha tarefa na colonia (é dicir, escavar, construír celas, oviposición).