Shades of blue show climate divisions that had monthly average temperatures below 50Â°F. The darker the shade of blue, the lower the average temperature. Climate divisions shown in shades of orange and red had average temperatures above 50Â°F. The darker the shade of orange or red, the higher the average temperature.
A stroma is the connective, part of a cell, organ or tissue. The  function of a stroma is to hold the cell, organ, or tissue together  and help it maintain form. Edit.
The function of the central disk on the starfish is to regrow an appendage if one is cut off.plit and merge into it. Answered by The Community. Making the world better, one answer at a time. The function of the central disk on the starfish is to regrow an appendage if one is cut off. It is where the arms of the starfish originate.