PLS 170C1 Lecture Notes - Lecture 7: Cork Cambium, Woody Plant, Herbaceous Plant
Document Summary
Herbaceous- no woody tissue (2 walls) (e. g. grasses, weeds, and herbs). Woody- 2 growth so cells produce hard tissues (e. g. trees and bushes). Annuals- herbaceous plants that grow, reproduce and die within one year. Biennials- herbaceous plants that store coh in year 1, and use them to complete their life cycle in year 2. Perennials- woody or herbaceous plants that live for more than 2 years. Roots: which grows below ground in dark, moist soil. Shoots: grows above ground in bright, relatively dry air. The parts of the plant body = referred to as organs . Epidermis-a single layer of parenchyma cells covering the plant body: to prevent water loss, the epidermis is covered with a waxy layer (cuticle). Small pores called stomata (singular = stoma) regulate co2, o2 and h2o to. Sunday, january 29, 2017 pass through the epidermis.