BIOL 1120 Lecture Notes - Lecture 17: Ateas, Hfr Cell, Endodermis
Document Summary
Overview of the plant body of division anthophyta (flowering plants: flowering plants consist of 2 major regions (fig. Usually grow below ground and anchor the plant a. b. absorbs water and minerals from soil c. d. produce certain hormones e. Transport materials to and from the shoots i. ii. iii. iv. Interact with soil microflora that help to provide nutrients i. ii. Rhizobium nitrogen- fixing bacteria f: land plants consist of 3 tissue systems , ground tissue system makes up the bulk of the plant body (i. e. all non- dermal and non- vascular tissue) (fig. Makes up most of the soft, moist primary growth of plants. Paraenchyma cells i. ii. iii. iv: do most of the metabolic activity. Commonly arranged at strands or cylinders beneath the dermal tissue of stems and stalks and help strengthen the plant. Scherenchyma cells i. ii. iii. iv. v. vi. vii. Provide mechanical support and protection in mature plants. Form fibers such as in hemp and flax.
