What effect does sunny weather have on bee activity?

Sunny weather positively influences bee activity, leading to increased foraging and overall energy levels among the bees. Under bright, sunny conditions, bees are more inclined to leave the hive in search of nectar and pollen from flowers. This is crucial for the health of the colony, as it directly impacts food sources and the overall productivity of the hive.

In contrast, other options describe scenarios that are not typical during sunny weather. For example, bees generally do not stay inside the hive when it's sunny, as the favorable conditions encourage them to explore. While heat can affect hive activity, it typically does not reduce activity but rather encourages bees to regulate their environment, which may include seeking shade when necessary. Additionally, swarming is often related to other factors such as colony overcrowding and resource availability rather than merely sunny weather. Therefore, the most accurate understanding is that sunny weather leads to heightened activity and energy levels among bees.