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 main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle.t is the nucleus, or, rather, those things in it, that control what the cell does, including those activities that keep the cell alive, as well as the things it does to contribute to the functioning of the organism whose structure it is a part of. 4 people found this useful.