parenchyma - tissues that function for storage and photosynthesis, collenchyma - major job is to use turgor to mechanically maintain young stems and leaves, sclerenchyma - tissues that sustain older plant organs and harden various plant portions, phloem - transports organic substances like sugars, xylem - transports water, stomata - permits gas exchange, root hairs - increase surface area for absorption of water and nutrients, trichomes - dermal tissue use for defense, cuticle - waxy layer that reduces transpiration, periderm - thick epidermis found in woody plants,

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