Midterm 2 Study Guide

Midterm 2 Study Guide - i Archegonium female ii Antheridium...

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Plants I. Characteristics a. Sessile II. Land Plants a. Embryos protected by tissues from the parent plant i. Egg and embryo is retained on parent plant b. Chlorophyll a + b c. Cuticle retards water loss d. Multicellular sporophyte e. Alternation of generations f. Forage by growing g. Gametophyte Sporophyte Gametophyte h. Spores: haploid product of meiosis and founders of gametophytes i. Gamete: haploid sexual cell that forms combine to form zygote j. Zygote: diploid product of fertilization Land Plant Diversity I. Non-Vascular Plants a. Sporophyte dependant on gametophyte and is permanently attached to it b. Prefer moist and shady habitat c. Forms dense mats d. Gametes form from specialized sex orgames: gametangia
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Unformatted text preview: i. Archegonium: female ii. Antheridium: male iii. Sperm reaches egg through swimming or splashing II. Vascular Plants a. Vascular system: tissues specialized for material transport i. Xylem: soil to aerial parts ii. Phloem: products of photosynthesis to storage areas iii. New cell type (tracheid) provides water-conducting element b. First vascular plant: rhyniophyte i. Lacked roots and leaves ii. Rhizomes/rhyzoids underground stems used for absorbing water c. Vascular Seedless Plants d. Vascular Seed Plants i. Gymnosperms 1. Cycads 2. Ginkgos 3. Gnetophytes 4. Conifers ii. Angiosperms...
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