1202L7 - -Plant Structure and Growth Chapter 35 Know basic...

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-Plant Structure and Growth Chapter 35 Know basic anatomy of shoot, root, and tissues Know anatomy of xylem, phloem and tissue types Understand basics of plant development Fig. 35.2 Root System 0. Anchor; absorb minerals, H 2 O; nutrient storage 1. Fibrous root in monocots vs. __taproot_____in dicots 2. Root _hairs____ increase surface area for water and nutrient absorption 3. Adventitious roots help prop up plants in sand dunes, etc. Fig. 35.4 Stems 0. __Nodes____ alternating with internodes 1. Axillary buds vs. terminal buds (apical dominance) Modified Shoots 0. Stolon: “runner” for vegetative growth 1. Rhizome: _horizontal________ underground stem 2. Tuber: end of rhizome specialized for storage 3. Bulb: vertical underground shoot Fig. 35.5 - 7 Tissue Systems 0. Dermal – single layer + __cuticle_____ protects underlying tissues 1. Vascular – phloem and xylem transport water and nutrients 2. Ground – pith and cortex important in metabolism Fig. 35.8 Xylem 3.
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