6. Describe the following major traits of plants & their importance. a. seeds b. pollen c. vascular tissue (xylem & phloem)

13. Label each of the structures in the cross section of the leaf. А. Leafross Section Know structures and functions В. A C. B D. Е. F. E D G. GHi H.

PR Singly and in combination to regulate the growth and development of higher plants. The effects of hormones, either stimulatory or inhibitory, depend on the hormone concentration, the tissue affected, and the developmental status of the tissue. This lab will focus on just three hormones: Auxin, Ethylene, and Gibberellic Acid. Student Preparation Read textbook Chapter 27, pages 638-659. LA. Apical Dominance Indole-3-acetic acid (IAA) is the principal naturally occurring auxin. It is produced by terminal shoot buds and commonly inhibits development of lateral, or axillary, shoot buds. Observe the plant which was cut several weeks ago so as to remove the primary shoot apical meristem. Note the presence of several lateral shoot buds growing from the main stem. This lab is adapted from: Evert RF, Eichhorn SE, Perry JB. 2013. Laboratory Topics in Botany. 8th ed. New York: WH Freeman; 27-1 p. 101

15.What distinguishes plants from animals and fungi? Group of answer choices a.flowers b.photosynthesis c.leaves