Bio112 Exp 7

Bio112 Exp 7 - Megaspores Produced in seed cones, develop...

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PHYLUM GENUS COMMON Hepatophyta Marchantia Liverwort Non-Tracheophyte Bryophyta Mnium Moss Non Tracheophyte Sphenophyta Equisetum Horesetail Tracheophyte-Seedless Pterophyta Polypodium Fern Tracheophyte-Seedless Coniferophyta Pinus Pine Tracheophyte-Seed- No Fruit Anthophyta Lilium Lily Tracheophyte-Seed-Fruit VOCABULARY Thallus – Green leafy body. Archegonia – Special chamber that produces (eggs). Antheridia – Special chamber that produces (sperm). Sporangia – Specialized chambers where sporophytes produce haploid spores. Strobilus – Terminal cluster of sporangia. Sporangiophore – Stalk that supports diploid sporangium. Sori – Clusters of spores. Prothallus – Small heart shaped fern gametophyte which produces both gametes. Rhizoids – Root like growths on the prothallus that absorb moisture and nutrients. Heterosporous- Producing more than one type of spore. Microspores – Produced in pollen cones develop into male gametophytes.
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Unformatted text preview: Megaspores Produced in seed cones, develop into female gametophytes. 4 Whorls 1. Calyx- Outer Whorl, composed of sepals 2. Corolla- Consists of bright colored petals 3. Androecium-Consist of stamens 4. Gynoecium-Innermost whorl, composed of the pistils or carpels. Sepals Green leafy structures that enclose the flower prior to opening Petals important in attracting pollinators. Stamens Where pollen is produced. Dioecious Angiosperm which produce flowers of only one gender. Monoecious Angiosperm which produce flowers of both genders. Inferior Ovary When a flower have the calyx and corolla originating above the ovary Monocots Have floral parts in 3s or multiples of 3s Dicots Have floral parts arranged in 4s or 5s...
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Bio112 Exp 7 - Megaspores Produced in seed cones, develop...

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