Plants - Ch. 18, Angiosperm Worksheet

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Across
  1. 2. The systematic cultivation of plants by humans
  2. 7. Angiosperms with scattered vascular bundles, narrow leaf with parallel veins, flower petal multiples of 3
  3. 8. Region of unspecialized cells ready for differentiation
  4. 9. Angiosperms with vascular bundles in a ring, seed splits into 2 equal parts, broad leaf with branching veins, flower petal multiples of 4 or 5
  5. 10. Response of a plant to gravity (roots growing down & stems growing up)
  6. 14. A system of branched roots without a taproot
  7. 18. A plant's response to longer or shorter days
  8. 19. Plants responding to touch when encountering an object, like vines on a wall
  9. 20. Where leaves are attached next to buds
  10. 21. Small openings in the leaf epidermis where air enters & exits
Down
  1. 1. A large primary, central root growing straight down
  2. 3. Protective outer covering of a plant
  3. 4. Vascular tissue that transports nutrients throughout the plant
  4. 5. Hormones that stimulate cell elongation & new root growth
  5. 6. Chemical signals that affect growth, activity, development
  6. 11. Cells that respond to a particular hormone
  7. 12. Cells that control the opening & closing of stomata
  8. 13. Vascular tissue that brings water up the plant from the roots
  9. 15. Ground tissue in leaves where photosynthesis occurs
  10. 16. Tendency of a plant to grow toward a light source
  11. 17. Loss of water through the leaves