Across
- 6. stimulus occurring on the inside of an organism
- 7. system responsible activities such as, stimulus and response
- 9. organ system combines leaves, stems, flowers, and fruits
- 11. in plants, thin layer forms protective barrier
- 13. water evaporates and passes out through stomata
- 14. stimulus on the outside of an organism
Down
- 1. plant grows toward sunlight
- 2. reproductive organ of plant
- 3. function of transpiration
- 4. allows minerals and water to be transported between roots and stems
- 5. plants response to gravity
- 8. process of plant losing leaves
- 10. tiny pores on the underside of leaves
- 12. below the ground plant system