BI 107Plants - Plant Structure and Tissues BI 107 Dr Potter...

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Plant Structure and Tissues BI 107 Dr Potter
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Plants Plants are multicellular eukaryotic autotrophs Evolved from unicellular eukaryotic autotrophs ( such as algae) Like multicellular heterotrophs (animals), have various tissues for various functions
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Four Types of Plants Mosses and ferns: No true seeds (no seed coat) Need water for reproduction Gymnosperms: Pine, fir, spruce, redwood, etc Have “true” seed Reproduce with a “cone” Most of our lumber and paper
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Four Types of Plants Angiosperms: Flowering plants Largest of the four groups of plants Have “true” seed Seed enclosed in fruit Use flower and fruit for reproduction Most of our food and ornamental plants
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Four Plant Organs 1. Roots Below ground part Anchors plant to substrate Stores organic nutrients (carrot, potato) Absorbs minerals and water Associated with various soil bacteria and fungi, especially for nitrogen fixation
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Four Plant Organs 2. Stems Part of above-ground shoot system
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BI 107Plants - Plant Structure and Tissues BI 107 Dr Potter...

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