Which of the following is an indicator of a healthy bee colony?

A consistent and organized flight pattern among bees is a strong indicator of a healthy colony. When bees exhibit well-defined and systematic flight behavior, it suggests that they are efficiently foraging, returning to the hive without excessive confusion or interruption. This kind of organized activity often correlates with adequate foraging resources, proper hive management, and optimal health among the colony members. In a thriving environment, bees will also forage effectively, which is crucial for bringing back nectar and pollen needed for the colony's growth and sustainability.

The other indicators presented may suggest potential issues. Frequent aggressive swarming can often indicate overcrowding or the presence of a weak queen, while limited foraging behavior could suggest environmental stressors or resource scarcity. High levels of aggressive behavior might indicate stress within the colony, issues with queen quality, or external threats, which are not indicative of a healthy colony overall. Thus, consistent and organized flight patterns are the hallmark of a well-functioning, healthy bee colony.