'Palisade mesophyll' diaporamas de présentation

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Multicellular Organisms

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Plants

Plants. What are Plants?. Multicellular eukaryotes Have cell walls made of cellulose Develop from multicellular embyros Carry out photosynthesis . Evolution of Plants. Started in water Evolved from an organism similar to multi-cellular algae living today. Cone-bearing plants. Ferns.

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Basically Botany

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CHAPTER 23 ROOTS, STEMS AND LEAVES

CHAPTER 23 ROOTS, STEMS AND LEAVES. FUNCTION OF ROOTS FUNCTION OF STEMS FUNCTION OF LEAVES. PLANT TISSUE SYSTEMS. DERMAL TISSUE VASCULAR TISSUE GROWTH TISSUE. DERMAL TISSUE. -outer covering of a plant consists of dermal tissue which consists of layers of epidermal cells.

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Photosynthesis and Cellular Respiration

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Plant Structures

Plant Structures. AP Biology Unit 5. Extreme Plants!. Deepest Root : fig tree in South Africa roots that extend 120 m (393.7 ft) into the ground Tallest Tree : Sequoia tree in the Redwood National Park (CA) 379 ft, 4 inches (in 2006) Oldest Tree

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Week 9

Week 9. Basic Leaf Review Plant/Root/Seed Anatomy. Cuticle Epidermis Palisade Mesophyll Spongy Mesophyll Air pocket or Air space Guard Cell Vein or Bundle sheath. Flower Leaf Axillary Bud (axil) Stem Lateral root or secondary root Main root or tap root. Apical Meristem Root cap

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Pigments and Leaf Structure

Pigments and Leaf Structure . Photosynthesis. Photosynthesis - the process by which light energy is captured and converted into chemical energy that is stored in organic compounds (glucose!) Autotrophs: organisms that make their own food. (plants, algae, and some bacteria)

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Pigments and Leaf Structure

Pigments and Leaf Structure . Photosynthesis. Photosynthesis - the process by which light energy is captured and converted into chemical energy that is stored in organic compounds (glucose!) Autotrophs: organisms that make their own food. (plants, algae, and some bacteria)

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The Leaf

The Leaf. The Leaf is the Main photosynthetic organ in a plant. Controls gas exchange in plants. Controls the amount of water loss in plants when it is hot and dry by: closing their stomates . produce a thick cuticle layer. reduce the surface area of their leaves. Fig 30.10.

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Photosynthesis and leaf structure

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LEAVES

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KEY CONCEPT Leaves absorb light and carry out photosynthesis.

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By: Abdulaziz K Al- Kuwari 8C

By: Abdulaziz K Al- Kuwari 8C. The plant is comprised of two systems : The root system The shoot system .

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Leaf Structure

Leaf Structure. B4a. The Leaf. What might happen to leaf structure if climate change continues?. Objectives. Key Objective Describe the role of specialised cells in aiding photosynthesis Describe how the main features of the plant are linked to photosynthesis (E-G)

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The Ultrastructure of plant cells

The Ultrastructure of plant cells. Specification statements 3.2.4- cells There are fundamental differences between plant cells and animal cells The structure of palisade cell from a leaf as seen with an optical microscope The appearance, ultrastructure and function of; Cell wall

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Leaf structure

Leaf structure. By Martin Samaj. Above ground plant organ specialized for photosynthesis Leaves are the site where transpiration and guttation takes place Leaves can store food and water, in other plants they can serve different purposes. Leaf basics. Leaf of an angiosperm consists of:

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