A student reads the article “Autoimmune Diseases Stopped in Mice” and claims that this research will revolutionize treatment for autoimmune disorders in just a few years. Do you think there is adequate information in the article to scientifically support this claim? Why or why not?

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?