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Download Instructor`s Copy - Plant Groups
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Instructor’s Copy Plant group Algae (not technically a plant)- just used for comparison Vascular tissue present? Yes No X Bryophytes X Plant Groups Unique characteristics Human Uses Examples Single-celled or multicellular Problems – algae blooms in the oceans can cause fish death Basis for food chains Many different colors Many cell parts similar to plants Larger algae and products used in sushi, pudding, ice cream, candy, etc. Also used to maake plastics, deodorants, paints, etc. Dinoflagellates (Gonyaulax and Karenia) Lack vascular tissue so they can’t grow tall. Depend on water to help with reproduction. Reproduction by alternation of generation (sexual and asexual reproduction). Used to be used in medicine to absorb fluids in wounds. Peat moss used to be burned as fuel. Used to help plants grow (holds water, acidic) Mosses Liverworts Hornworts Ferns X Underground stems called rhizomes Spores as reproductive structures produced in sporangia Haploid and diploid (most predominant) stages Vascular Potted ferns used as Ferns decoration. Club mosses Horsetails used to be used Horsetails to scour pots for settlers. Gymnosperms X Naked seed Don’t need water for reproduction Needles are adapted leaves Most are evergreen Vascular Angiosperms X Produce flowers to attract pollinators. Fruits, grains and vegetables enable best dispersal of seeds. Vascular Most diverse group Decorations, especially around holidays Wood used for building and paper Seeds can be eaten Products like turpentine Food Decorations Medicine Cycads Ginkgoes Conifers All deciduous trees Flowers Vegetables