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Download Name: Date: Period: ____ Notes: Major Plant Groups Group 1
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Transcript
Name: _____________________________________________________________ Date: _______________ Period: ____ Notes: Major Plant Groups Group 1: Seedless, Nonvascular Plants • Live in ____________ environments – Need ____________ to reproduce • Grow low to ground (____________) • Lack true ____________ • Common ____________ species • ____________ most common (dominant) • Ex: ____________, liverworts, hornworts Group 2: Seedless, Vascular Plants • Vascular system • – ____________ growth – ____________ transportation Live in moist environments – swimming ____________ • Has primitive roots called ____________ • Gametophyte stage • – Called ____________ – Creates ____________ and ____________ Sporophyte stage – Leaves called ____________ – Spores created on underside in clusters called ____________ Ex: ____________, Club mosses, Horsetails Group 3: Seed producing, Vascular Plants • Gymnosperms • Needle-like ____________ (reduces water loss) • Common to lumber industry • Seeds enclosed in ____________ – Male cones: produce ____________ • Female cones: produce ____________ • Zygote hardens into ____________ (protected inside cones) • Ex: Evergreen, Pine, Redwood, Cedar Seed Advantages • 1) Seed plants don’t depend on water to ____________ – Pollen spread by ____________ and ____________ • 2) Embryo has…. – Nourishment: ____________ inside feed embryo – Protection: Hard ____________ • 3) Seeds allow for ____________ – Carried by wind, water, animals Group 4: Flowering Plants • ____________ (flowering plants) • • Flower = ____________ structure – Attract ____________ to help spread pollen – Forms ____________ to protect and spread seeds Seeds – Grow inside the ____________ – Inside: 1. ____________ 2. ____________ Seed Dispersal • ____________ brightly colored – Attracts animals • Seeds pass through animals ____________ • Seeds ____________ in a new area to grow Angiosperm Groups • 2 groups: Based on seed type • Cotyledon: embryonic leaf • Two Categories: – Monocots: embryo with 1 ____________ – Dicots: embryo with 2 ____________ Angiosperm Life Spans • Three Life Span Types: • – 1) ____________ – – – Seed grows… Produce flowers & seeds… Die 2) ____________ – • 1st year: • Seed grows and stores food nd – 2 year: • grows more… • makes flowers & seeds… • dies 3) ____________ – – Live for more than 2 years May take decades to grow fruit