[a] The cells in the upper portion of the honeycomb are called worker cells. Their function is to store honey and pollen, as well as to provide space for the worker bees to move around and perform various tasks.
[b] The cells in the lower portion of the honeycomb are called drone cells. Their function is to provide space for the development of drone bees, which are male bees. These cells are larger in size compared to the worker cells.