Bees cluster together for warmth.

Meaning: This sentence describes the behavior of bees during winter, where they huddle together in their hives to generate heat and maintain a warm environment.

Choice of Words: Bees are social insects that live in colonies and produce honey. Cluster means to gather or come together in a group. Together means in the same place or group. For is a preposition that indicates the purpose or reason for an action. Warmth is the quality or state of being warm.