Across
- 3. carries out photosynthesis, stores protein and starch
- 5. carries out photosynthesis
- 7. the turning of all or part of an organism in a particular direction
- 9. leaf hairs that protect against herbivores
- 10. forms the epidermis of a plant; usually one cell layer
- 12. most abundant tissue in plants
- 13. the pressure that water-filled vacuoles exert on the cytoplasm and the elastic cell wall in a plant
- 14. important underground part of all vascular plants
- 18. thick cell walls reinforced with lignin
- 20. organisms respond to light as a stimulus
- 21. makes the seeds
- 23. lifts leaves and reproductive structures
- 25. anchor plant to soil and absorb minerals and water
- 27. organisms respond to touch as a stimulus
- 28. a detectable change in the internal or external environment of an organism
- 29. elongated, thick cell walls, provides support
Down
- 1. organisms respond to water or moisture as a stimulus
- 2. stimulus from within the organism
- 3. composed of living cells and moves carbohydrates from production sites
- 4. the organism moves away from the stimulus
- 6. transport system of the plant
- 8. any change an organism makes because of a change in the environment
- 11. stimulus from outside the organism
- 15. the organism moves toward the stimulus
- 16. supports the whole plant body
- 17. carries water and minerals from the roots to the rest of the plant
- 19. responsible for a flowering plants fertilization and germination of a seedling
- 22. increase root surface area
- 23. pores for gas exchange
- 24. organisms respond to gravity as a stimulus
- 26. protective covering that surrounds the seed