Who classified 5 kingdom classification of organisms?​

What is the relationship between absorbance of light and the rate of photosynthesis?

Which of the following typically characterizes a tropical rainforests

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?