Page 41 - PRE-U STPM BIOLOGY TERM 1

Biology Term 1 STPM Chapter 2 Structure of Cells and Organelles

Epidermis Epidermis
Cork cambium
Collenchyma
Secondary
Sclerenchyma cortex
Cortex
Phloem
Cambium
Cambium
Vascular Phloem
2 bundle Pith
Xylem Xylem
Pith

Figure 2.26 Dicot herbaceous stem Figure 2.27 Dicot stem with secondary thickening

Piliferous layer
Epidermis
(epidermis)
Sclerenchyma Cortex

Xylem
Vascular
bundle Phloem
Endodermis
Xylem
Phloem

Figure 2.28 Monocot stem Figure 2.29 Dicot herbaceous root

Cork Epidermis
Cork cambium
Sclerenchyma
Secondary cortex
Cortex
Phloem Pith
Endodermis
Cambium Xylem
Phloem
Xylem

Figure 2.30 Dicot root with secondary thickening Figure 2.31 Monocot root
Upper epidermis
Collenchyma
Lower epidermis
Palisade Mesophyll cells
mesophyll
Spongy
mesophyll Xylem Xylem
Phloem
Sclerenchyma
Parenchyma
Collenchyma Phloem

Figure 2.32 Dicot leaf Figure 2.33 Monocot leaf (Zea mays)

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