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Plant Parts &
Functions
Jean Lacob
Covering:
5th
grade CA State
Standard 2e
Parts of The
Plant
• Roots
• Leaves
• Stem
• Flower
• Seed
Image found at: www.webinstituteforteachers.org
Roots
• 2 Types of
Root Systems
– Taproot
– Fibrous
System
Image found at: http://www.puc.edu
Roots
Taproot System
Primary roots grow
down from the stem
with some
secondary roots
forming
Image found at: http://www.ar...
Roots
Fibrous
Root
System
Small lateral
roots that
spread out just
below the soil
surface Image found at: www.wildmansteve...
Can you identify these root
types?
1.
2.
3.
4.
5.
Root Functions
• Absorption of water and nutrients
– performed by root hairs
• Transportation of water and
nutrients to st...
Parts of the Root
• Epidermis
– Outermost layer of cells, like the “skin” of
the root
• Cortex
– Tissue inside epidermis t...
Carrot root cross section, 40X
• A= vascular cylinder contains
the (xylem and phloem)
• B = cortex
• C = endodermis (conta...
Xylem and Phloem
Cross- section of a stem
Image found at www.karencarr.com
Functions of the
Stem
• Transport water and nutrients
from roots to leaves
• Supports leaves, fruit, and
flowers
• Food st...
What plants need:
• Watch this animated movie to see what
plants need and what they produce.
• Click Here for movie
Important Functions of
Leaves
• Photosynthesis
– Process that plants use to produce
their food
– Carbon Dioxide + Water  ...
Leaf Parts
• Apex
– Tip of leaf
• Base
– Attaches to petiole
– if petiole is absent,
– attaches directly to stem
• Margin
...
Veins
Stalk
Main
Vein
Cross-section of a Leaf
Image at: EnchantedLearning.com
Powerpoint plant parts for science gr 5
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Powerpoint plant parts for science gr 5

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Plants, leaf parts, cross section of a stem, cross section of a leaf, xylem and phloem

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Powerpoint plant parts for science gr 5

  1. 1. Plant Parts & Functions Jean Lacob Covering: 5th grade CA State Standard 2e
  2. 2. Parts of The Plant • Roots • Leaves • Stem • Flower • Seed Image found at: www.webinstituteforteachers.org
  3. 3. Roots • 2 Types of Root Systems – Taproot – Fibrous System Image found at: http://www.puc.edu
  4. 4. Roots Taproot System Primary roots grow down from the stem with some secondary roots forming Image found at: http://www.arboretum.fullerton.edu
  5. 5. Roots Fibrous Root System Small lateral roots that spread out just below the soil surface Image found at: www.wildmanstevebrill.com
  6. 6. Can you identify these root types? 1. 2. 3. 4. 5.
  7. 7. Root Functions • Absorption of water and nutrients – performed by root hairs • Transportation of water and nutrients to stem • Anchor plant to maintain stability • Store food and water Roots have 4 primary functions
  8. 8. Parts of the Root • Epidermis – Outermost layer of cells, like the “skin” of the root • Cortex – Tissue inside epidermis that stores starch and other substances for the growth of the root
  9. 9. Carrot root cross section, 40X • A= vascular cylinder contains the (xylem and phloem) • B = cortex • C = endodermis (contains cells which prevent water from leaking from the vascular cylinder) • D = epidermis (protects the carrot root and absorbs water) Image found at: www2.sluh.org/bioweb/microscopy/plantanatomy/carrotrootlabel
  10. 10. Xylem and Phloem
  11. 11. Cross- section of a stem Image found at www.karencarr.com
  12. 12. Functions of the Stem • Transport water and nutrients from roots to leaves • Supports leaves, fruit, and flowers • Food storage
  13. 13. What plants need: • Watch this animated movie to see what plants need and what they produce. • Click Here for movie
  14. 14. Important Functions of Leaves • Photosynthesis – Process that plants use to produce their food – Carbon Dioxide + Water  Sugar + Oxygen • Transpiration – Loss of water and exchange of carbon dioxide
  15. 15. Leaf Parts • Apex – Tip of leaf • Base – Attaches to petiole – if petiole is absent, – attaches directly to stem • Margin – Edge of leaf • Epidermis – “Skin” of leaf - responsible for gas exchange • Stomata – Outside layer of leaf opening in epidermis where gas and water exchange • Mesophyll – Middle layer of leaf where photosynthesis occurs
  16. 16. Veins Stalk Main Vein
  17. 17. Cross-section of a Leaf Image at: EnchantedLearning.com

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