Monday homework

Go over the plant handouts, learn the function of plant parts on them in chapters 34-36. Know the role of guard cells and what causes them to open and close. there are three methods given in the book. Learn the vocabulary given today as well as the functions of the following from the plant worksheets; parenchyma cells, collenchyma cells, fibers, sclerids, tracheids, vessel elements, seive tube elements.