Across
- 2. Chemical produced in one part of an organism that affects another part of the same organism
- 5. Strip Waterproof strip that surrounds plant endodermal cells and is involved in the one way passage of material into the vascular cylinder in plant roots
- 7. Growth Type of growth in dicots in which the stems increase in thickness
- 11. Regulatory substance produced in the tip of a growing plant that stimulates cell elongation and growth of new roots
- 12. Cell Cell that has a receptor for a particular hormone
- 13. Response of plant to touch
- 16. On or in a cell, a specific protein to whose shape fits that of a specific molecular messenger, such as a hormone
- 20. Movement of plant toward or away from stimuli
- 21. Small opening in the epidermis of a plant that allows carbon dioxide, water, and oxygen to diffuse into and out of the leaf
- 22. Growth Pattern of growth that takes place at the tips and shoots of a plant
- 24. Specialized ground tissue found in leaves; preforms most of plants photosynthesis
Down
- 1. Plant response to the relative lengths of a light and darknss
- 3. loss of water from a plant through its leaves
- 4. bundle clusters of xylem and phloem tissue in stems
- 6. in which the closer a bud is to the stem's tip, the more its growth is inhibited
- 8. Roots Part of a root system in which roots branch to such and extent that no single root grows larger than the rest
- 9. Response of plant to the force of gravity
- 10. Tendency of a plant to grow toward a light source
- 14. cell specialized cell in the epidermis of plants that controls opening and closing of stomata
- 15. Regions of unspecilized cells responsible for continuing growth throughout a plants lifetime
- 17. Action Tendency of water to rise in a thin tube
- 18. The primary root found in some plants that grows longer and thicker than the other roots
- 19. Part on a growing stem where a leaf is attached
- 23. In plants, single layer of cells that makes up dermal tissue