TOEFL Listening: ETS-TOEFL听力机经 - S6HU_3BR4WB356E1P$

What ant behavior does the professor mention that supports the holistic approach? A. Ants from one colony find food in a different colony. B. Ants imitate the behavior of the leader in the colony. C. Ants switch from taking care of the nest to food-gathering. D. Ants work together to protect the queen.