Plant Form and Function Flashcards
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Shoot apical meristem(SAM)
-Primary growth
-Axial growth
-Primary tissues, ground, vascular and dermal
Foot apical meristem(RAM)
-primary growth
-Axial growth
-Primary tissues, ground, vascular amnd dermal
Vascular Cambium(VC)
-Secodary growth
-Xylem(wood)
-Phloem(Inner bark)
Cork Cambrium(CC)
-Cork cells
-Periderm
-outer bark
Sciereids
Are short and irregular in shape with thick lignfied secondary
Fibers
Are long and slender and arrange in threads
Angiosperm Seed: Embryo(2N)
-Primary dermal, ground and vascular tissue
-SAM, RAM established in the embryo
-Cotyledons
-Stores starch, proteins and lipids
Angiosperm Seed: Coleoptile
Increased the chances that germination will occur at a time and placed, moat advantageous to the seedling.
Seed Germination
Depends on imbibition, the uptake of water due to low water potential of a dry seed
Function of a root
-Anchoring plant
-Absorbing minerals and water
-Storing carbonhydrates
Mycorrhizae(Soil fungi)
-Primary root growth occurs at the RAM
-RAM produces cells in two directions
-Produce no lateral appendages
Growth occurs just behind the root tips. what are the three zones?
-Zone of elongation
-Zone of cell division
-Zone of differentiation or maturation
Tap Root system
-Tall plants
-Large shoot masses
-Eudicots and gymnosperms
Fibrous Root system
-Lateral roots
-Monocots(grasses)
-Roots that come from the stem
Shoot function(Stem and leaves) Photosynthesis: Transpiration-
Loss of water
Shoot function Photosynthesis :Transport
Xylem and phloem
Shoot functions Photosynthesis: Reproduction
Flowers and cones and leaves
Stem Terminology
-Nodes
-Internodes
-Axillary buds
-Apical bud
Two types of water conducting cells
-Tracheids and vessel elements
- Dead at maturity
