BIOL 111 plant study guide - Meristems-Apical=root/shoot...

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Meristems -Apical=root/shoot length -Lateral=root/shoot diameter Ground Tissue -Parenchyma=storage, photosynthesis, and secretion -Collenchyma=support and protection -Sclerenchyma=support and protection Xylem=conducts water and inorganic tissue Phloem=conducts sap(water, photosynthates, sucrose, hormones Vascular bundles -Monocot=scattered -Eudicot=ring Plant Reproduction -Sepals=enclose/protect flower bud -Petals==showy, attract pollinators -Stamens=male reproductive structures -Carpels=female reproductive structures Stamen -Anther=produces pollen(houses cells that become sperm) -Filament=elevates anther Carpel -Stigma=site of pollination -Style=“neck” that leads to ovary -Ovary=houses ovules, which contains developing egg
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Unformatted text preview: Plant Reproduction process-Fertilization in ovule, fertilized egg develops into embryo encased in a seed, ovary becomes fruit protecting seed and aiding in dispersal, seed germinates under suitable conditions to produce a seedling that grows into a plant. Female gametophyte is an embryo sac; cell undergoes meiosis to produce 4 haploid spores, and 3 of them degenerate. Surviving spore undergoes mitosis to produce embryo sac. 1 cell in sac is an egg ready for fertilization, and another cell will produce endosperm. Pollen nucleus divides to produce 2 sperm nuclei. 1 nucleus fertilizes egg, while other fuses with 2 nuclei central cell to form 3n Triploid endosperm...
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