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Quarter ends Friday I accept NOTHING after Friday. Test corrections due Friday Tomorrow Pre-lab for Photosynthesis due River Run April 8 - 17 – PowerPoint PPT presentation

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Title: Quarter ends Friday


1
Quarter ends Friday I accept NOTHING after
Friday. Test corrections due Friday Tomorrow
Pre-lab for Photosynthesis due River Run
April 8 - 17
2
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • Roots
  • Stems
  • Leaves

3
Figure 35.2 An overview of a flowering plant
4
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • Roots
  • Stems
  • Leaves
  • What are the different varieties of roots?
  • Tap roots eudicots gymnosperms have lateral
    roots off of the side
  • Fibrous roots monocots shallow just below
    the surface
  • What are some root modifications?
  • Figure 35.4

5
Figure 35.4 Modified roots
6
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • Roots
  • Stems
  • Leaves
  • What are the different varieties of roots?
  • Tap roots eudicots gymnosperms have lateral
    roots off of the side
  • Fibrous roots monocots shallow just below
    the surface
  • What are some root modifications?
  • Figure 35.4
  • What are stems?
  • Above ground organ with an alternating system of
    nodes (where the
  • leaves attach) internodes (stem segments
    between nodes)
  • Axillary bud structure at each node that may
    form a
  • lateral shoot (branch)
  • What are some stem modifications?
  • - Figure 35.5

7
Figure 35.5 Modified stems
8
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • What are the different varieties of roots?
  • What are some root modifications?
  • What are stems?
  • What are some stem modifications?
  • What is a leaf?
  • Main photosynthetic organ of a plant

9
Figure 35.6 Simple versus compound leaves
10
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • What are the different varieties of roots?
  • What are some root modifications?
  • What are stems?
  • What are some stem modifications?
  • What is a leaf?
  • Main photosynthetic organ of a plant
  • What are some modified leaves?
  • - Figure 35.7

11
Figure 35.7 Modified leaves
12
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • What are the different varieties of roots?
  • What are some root modifications?
  • What are stems?
  • What are some stem modifications?
  • What is a leaf?
  • What are some modified leaves?
  • What are the 3 tissue systems of plants?
  • Dermal outer protective covering
  • Vascular long distance transport between roots
    shoots
  • Ground tissue between vascular dermal

13
Figure 35.8 The three tissue systems
14
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • What are the different varieties of roots?
  • What are some root modifications?
  • What are stems?
  • What are some stem modifications?
  • What is a leaf?
  • What are some modified leaves?
  • What are the 3 tissue systems of plants?
  • What are the different types of plant cells?
  • Parenchyma
  • Least specialized, typical plant cell
  • Thin, flexible primary walls
  • Do most of metabolic work
  • Photosynthesis
  • Storage
  • All other cells derived from parenchyma

15
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • What are the different varieties of roots?
  • What are some root modifications?
  • What are stems?
  • What are some stem modifications?
  • What is a leaf?
  • What are some modified leaves?
  • What are the 3 tissue systems of plants?
  • What are the different types of plant cells?
  • Parenchyma
  • Collenchyma
  • Uneven thicker primary walls than parenchyma
  • Grouped in strands or cylinders for support of
    young plant
  • Provide support without restricting growth
  • No secondary walls no lignin

16
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • What are the different varieties of roots?
  • What are some root modifications?
  • What are stems?
  • What are some stem modifications?
  • What is a leaf?
  • What are some modified leaves?
  • What are the 3 tissue systems of plants?
  • What are the different types of plant cells?
  • Parenchyma
  • Collenchyma
  • Sclerenchyma
  • Thicker secondary walls with lignin for rigid
    support
  • Mature sclerenchyma cannot elongate are usually
    dead lacking a
  • protoplast
  • 2 forms
  • Fibers long, slender, tapered usually in
    bundles rope flax
  • fibers for linen
  • Sclerids short irregular shaped that provide
    hardness to

17
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • What are the different varieties of roots?
  • What are some root modifications?
  • What are stems?
  • What are some stem modifications?
  • What is a leaf?
  • What are some modified leaves?
  • What are the 3 tissue systems of plants?
  • What are the different types of plant cells?
  • Parenchyma
  • Collenchyma
  • Sclerenchyma
  • Tracheids vessels elements
  • H2O conducting cells
  • Tracheids
  • All vascular plants
  • Long, thin cells with tapered ends
  • Vessel elements (angiosperms)
  • Wider, shorter less tapered

18
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • What are the different varieties of roots?
  • What are some root modifications?
  • What are stems?
  • What are some stem modifications?
  • What is a leaf?
  • What are some modified leaves?
  • What are the 3 tissue systems of plants?
  • What are the different types of plant cells?
  • Parenchyma
  • Collenchyma
  • Sclerenchyma
  • Tracheids vessels elements
  • Sieve-tube members
  • Sugar-conducting cells of phloem
  • Alive but lack nucleus, ribosomes, vacuole
  • Companion cells help load sugar

19
Figure 35.9 Examples of Differentiated Plant Cells
20
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • What are the different varieties of roots?
  • What are some root modifications?
  • What are stems?
  • What are some stem modifications?
  • What is a leaf?
  • What are some modified leaves?
  • What are the 3 tissue systems of plants?
  • What are the different types of plant cells?
  • Where do plants grow?
  • - Meristems

21
Figure 35.10 An overview of primary and secondary
growth
Primary growth apical meristems Secondary
growth lateral meristems
22
Figure 35.12 Primary growth of a root
23
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • What are the different varieties of roots?
  • What are some root modifications?
  • What are stems?
  • What are some stem modifications?
  • What is a leaf?
  • What are some modified leaves?
  • What are the 3 tissue systems of plants?
  • What are the different types of plant cells?
  • Where do plants grow?
  • How are leaves structured?

24
Figure 35.17 Leaf anatomy
25
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • What are the different varieties of roots?
  • What are some root modifications?
  • What are stems?
  • What are some stem modifications?
  • What is a leaf?
  • What are some modified leaves?
  • What are the 3 tissue systems of plants?
  • What are the different types of plant cells?
  • Where do plants grow?
  • How are leaves structured?
  • Lets consider primary secondary growth of a
    stem.

26
Figure 35.18 Primary and secondary growth of a
stem
27
Figure 35.18 Primary and secondary growth of a
stem
28
Figure 35.18 Primary and secondary growth of a
stem
29
Chapter 35 Plant Structure, Growth Development
  • What are the 3 main plant organs?
  • What are the different varieties of roots?
  • What are some root modifications?
  • What are stems?
  • What are some stem modifications?
  • What is a leaf?
  • What are some modified leaves?
  • What are the 3 tissue systems of plants?
  • What are the different types of plant cells?
  • Where do plants grow?
  • How are leaves structured?
  • Lets consider primary secondary growth of a
    stem.
  • Where does secondary occur?
  • Vascular cambium

30
Figure 35.19 Cell division in the vascular cambium
31
Figure 35.20 Anatomy of a tree trunk
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