Biology Test 1 Crossword

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Across
  1. 1. As a woody plant increases in girth, epidermis is sloughed off, exposing periderm, which forms the outer bark
  2. 7. usually organized into an underground root and aerial shoot system
  3. 8. consists of roots, stems, and leaves
  4. 12. Conducts water and dissolved minerals from roots to stems and leaves, and provides structural support
  5. 15. Plant cells are organized into
  6. 16. Increase in the girth of a plant; adds wood and bark in woody plants
  7. 17. pushes water up through xylem toward the top of the plant
  8. 18. increase in length of a plant
  9. 21. Group of unicellular protists with flagella and a deep oral groove
  10. 22. An informal group of primarily aquatic eukaryotic organisms with diverse body forms, types of reproduction, modes of nutrition, and lifestyles
  11. 23. Earth’s dominant plants
  12. 25. Herbaceous or woody plant with broader leaves than monocots, with netted veins
Down
  1. 2. have nuclei and other membrane-enclosed organelles such as mitochondria and plastids, 9 + 2 flagella, and multiple chromosomes
  2. 3. contain microsporocytes, each of which undergoes meiosis to form four haploid microspores
  3. 4. Simple tissue specialized for structural support
  4. 5. A single layer of flattened, relatively unspecialized living cells
  5. 6. Woody trees or shrubs that produce annual additions of secondary tissues
  6. 9. All woody plants are
  7. 10. undergo secondary growth due to activity of vascular cambium and cork cambium
  8. 11. All seed plants are
  9. 13. Mitochondria and chloroplasts probably originated from
  10. 14. Simple tissue composed of parenchyma cells found throughout the plant body
  11. 19. A single extant species,
  12. 20. Conducts carbohydrates formed in photosynthesis throughout the plant, and provides structural support
  13. 24. Herbaceous plants with long, narrow leaves that have parallel veins