9/2/10BIO 211 SI WorksheetPlant Diversity I1. Plants started in_______ and moved onto ________.2. What are the closest relatives to land plants?3. Key traits that link land plants with their closest relatives:a. _______-_________ complexes for synthesizing _________b. __________enzymec. Sperm structures contain ___________d. Formation of a ____________ (cell plate created in mitosis)4. What do zygotes of Charophytes have which reduces the loss of water?5. T/F Charophytes as well as land plants undergo alternation of generations for their life cycle.6. Two things that are alternated between in alternation of generations life cycle:a. _______________ and _______________ (structures)b. _______________ and________________ (Processes)7. What is an apical meristem and where are they found?8. Fossilized __________ and __________ ____________ have been found in 475-million-year-oldrocks.9. What are two important traits acquired by plants that contribute to their diversity?10. T/F Of bryophytes, the gametophyte stage is larger and lives longer than the sporophyte stage.11. __________ allows for exchange of gasses in land plants.12. What is the difference between spores and gametes?13. What are rhizoids?14. What is a cuticle?15. Plants have created ___________ and also supplied ___________ enabling other life forms to survive on land.Answers1. Water, land2. Charophytes (green algae)3. Rossette-shaped, cellulose, Peroxisome, Flagella, Phragmoplast4. Sporopollenin5. False6. Gametophyte & Sporophyte, Meiosis & Fertilization7. Area of rapid cell division, found in the shoots and the roots8. Spores, plant tissue9. Ability to live on land, vascular tissue, seeds, flowers10. True11. Stomata12. Spores are haploid cells that can undergo mitosis to form gametophytes. Gametes are haploid cells that can’t undergo mitosis (they must be fertilized to form zygotes which undergo mitosis).13. They’re an anchoring structure for nonvascular plants which don’t have a root system.14. Consists of a polyester and wax polymer layer that covers the epidermis in many land plants;helps prevent water loss.15. Habitats,
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