Hox genes determine an animal's. skin color. body plan. size. eye color.

Which of the following is a testable hypotheses?

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?

Which statement best describes a typical difference that could be found between the “analysis” and “conclusion” sections of a lab report?