Bio 242 - Exam 2 Already Passed!!

Monocot root system - Answer-Fibrous Eudicot root system - Answer-Taproot Mycorrhizae - Answer-Symbiotic relationship between plants and fungi (hyphae) - increase in surface area Nodes - Answer-Portion(s) of the stem where leaves attach Internodes - Answer-Segments of the stem where no leaves attach Terminal buds - Answer-Composed of developing leaves and are partly responsible for inhibiting the growth of axillary buds by apical dominance. Apical dominance - Answer-Plants grow vertically only to achieve new heights that allow increased light exposure. Eudicot flowers are in multiples of: - Answer-Four or five Monocot flowers are in multiples of: - Answer-Three Eudicot Vascular Bundles - Answer-Vascular Bundles are arranged in a ring Monocot Vascular Bundles - Answer-Vascular Bundles are scattered. Stolons (Modified stem type) - Answer-Above ground, horizontal stems Rhizomes (Modified stem type) - Answer-Horizontal, underground stems Tubers (Modified stem type) - Answer-End tips of the rhizomesLeaves (Modified stem type) - Answer-Photosynthetic organ of plants. Eudicot version has a flattened blade and a petiole. Monocot version does not have a petiole. Tendrils (Leaf modification) - Answer-Attachment to a leaf Spines (Leaf modification) - Answer-Defense against herbivores on the leaves of plants Bulbs - Answer-Leaf bases that can form a flower Parenchyma - Answer-Least specialized plant cell; Primary wall are thin and flexible; Lack secondary walls; Living when functional; Performs most of the plant's metabolic function; Responsible for the repair and replace of plant organs; Collenchyma - Answer-Thicker primary walls but are unevenly thickened; No secondary walls; Grouped into strands or cylinders and help support the young part of the plant shoot; Living when functioning; Sclerenchyma - Answer-Thick secondary wall strengthened by lignin; Dead at functional maturity; Compose the vessel elements and tracheids;