Mosses are classified as bryophytes. which best describes mosses? mosses are seedless plants. mosses bear fruit and flowers. mosses bear flowers, but no fruit. mosses have one cotyledon in a seed.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins

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?