Include tracheids tube shaped cells that are actually

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Include tracheids – Tube-shaped cells that are actually dead. Only the cell walls remain to form a microscopic system of tubes to transport the water and minerals from the roots throughout the plant These cell walls contain lignin that provide much greater support to the plant and permit them to grow larger Phloem – consists of living cells arranged into tubes that conduct sugars, amino acids and other organic molecules from the site of production to the rest of the plant Parts of the Vascular Tissue
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Produce seeds on scale-like structures that form cones Heterosporous – they produce two morphologically different types of spores Different cones produce different spores (male and female) Four phyla Cycadophyta Ginkophyta Coniferophyta Gnetophyta Majority are conifers (pines, redwoods, juniper, fir, spruce, and cypress trees Gymnosperms
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Largest, most speciose and wide spread of all plant groups Source of food, building material, clothing, and energy Two classes: Class Monocotyledonae or Monocots: includes grasses (corn and wheat), sedges, lilies, and bromeliads (pineapple), and palms (~65,000 species) Class Dicotyledonae or dicots: cacti, peas and beans, most trees and most other garden vegetables (~250,000 species) Flowering Plants (angiosperms)
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