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.
Stroma can refer to two things in Biology.   Stroma is the fluid inside chl â¦ oroplasts, the site of photosynthesis in all plant cells.   It is also, however, the framework (like a skeleton) inside any biological tissue, cell or organ.