Unit 2B

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Unit 2B

• Section 8.2 Photosynthesis Overview

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A. Parts of the plant

• Roots
• Stems
• Leaves
• 4. Flower

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Parts of a Flowering Plant
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Parts of a Plant
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B. Plant Tissue System

• Dermal Tissue
• Vascular Tissue
• Ground Tissue

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Stem
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Parts of a Tree Trunk
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Root System
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Plant Leaf
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C. Parts of the Chloroplast

1. Thylakoid
2. Stroma
3. Granum
4. Membrane

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pea plant cell
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D) Light Absorption in Chloroplasts

• 2) Light Pigments
• a) Light is arranged in visible spectrum
• - purple (low wave) to red (high wave)
• - ROYGBIV
• b) light travels in waves and is measured in
  wavelengths

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B) Light Absorption in Chloroplasts

• c) Light will hit an object
• 1) _________ a certain color
• 2) transmitted
• 3) _________ by the object
• d) Pigment

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D) Light Absorption in Chloroplasts

• Thylakoid contains pigments called chlorophyll
• Chlorophyll a
• Chlorophyll b
• Neither ________ green light ? ________ green
  (leaves of a plant)

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D) Light Absorption in Chloroplasts

• 2) Thylakoids contain pigments called carotenoids
• a) yellow, orange, brown
• b) accessory pigments

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