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Plant Tissues

Plant Tissues. Plant Tissues . There are 3 types of plant tissue: Dermal Tissue Vascular Tissue Ground Tissue. Dermal Tissue. Includes: Epidermal Tissue Periderm Tissue. Epidermal Tissue. A thin layer of cells that covers the surface of leaves, stems and roots

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Plant Tissues

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  1. Plant Tissues

  2. Plant Tissues • There are 3 types of plant tissue: • Dermal Tissue • Vascular Tissue • Ground Tissue

  3. Dermal Tissue • Includes: • Epidermal Tissue • Periderm Tissue

  4. Epidermal Tissue • A thin layer of cells that covers the surface of leaves, stems and roots • Root hairs are an extension of the epidermal tissue that increase the roots surface area for water and nutrient absorption • Can create a waxy cuticle to protect leaves from water loss

  5. Periderm Tissue • In woody plants, epidermal tissue is replaced by periderm tissue • produces bark on stems and roots

  6. Vascular Tissue • Colour Changing Carnations • http://www.youtube.com/watch?v=AMvEVnAFCNA • http://www.youtube.com/watch?v=po32400Al5w

  7. Vascular Tissue • The vascular tissue of a plant is like our circulatory system. It transports the water, nutrients and other chemicals throughout the plant.

  8. Vascular Tissue There are 2 types of vascular tissue: • Xylem • Phloem

  9. Xylem • Elongated cells that, once matured, are hollow tubes with no organelles stacked end to end to create a tube from the roots to the shoots • Transport water from the roots to the leaves of the plant • Once xylem cells are mature they are no longer living tissue

  10. Phloem • Transports sugars created by photosynthesis, other chemicals and hormones throughout the plant • Phloem cells are living tissue

  11. Vascular tissue is arranged in 2 different ways: • Monocot – vascular bundles (one xylem and one phloem tube) are arranged randomly throughout the stem • Dicot – vascular bundles are arranged in a ring formation

  12. Ground Tissue • Ground tissue is the composed of all the tissue in between the dermal tissue and the vascular tissue. It performs different functions in the different parts of the plant • In roots – storage of carbohydrates • In Stems – provides storage and support • In Leaves – performs photosynthesis

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