A) It affects the behavior of recruits.
B) It is a visual signal.
C) It is a behavioral signal.
D) It is only performed by scouts.
E) It involves a pheromone signal.

A) Recruits released away from the hive flew directly to the food source.
B) Recruits released away from the hive returned to it.
C) Recruits released away from the hive behaved similarly to those released at the hive.
D) All recruits flew downwind and started a zigzag search upwind for the food.
E) All recruits took much longer to fly to the food source than expected based on a straight-line route.

A) All individuals seek shelter when they hear an alarm call.
B) Variation in calls is associated with variation in the behavior of receivers.
C) Calls vary depending on the predator observed.
D) Their alarm calls are unique vocalizations.
E) Their alarm calls are a flexible signal that can be modified based on environmental conditions.