What is the function of the cell wall? For support and protection
To allow susbstances in and out of the cell

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

What is the approximate time of death of the body temperature is 29.4 degrees celsius

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?