2. Why do plants have leaves? Photosynthesis Light Energy + 6CO 2 + 6H 2 O ---> C 6 H 12 O 6 + 6O2

3. Plant Cell

4. Chloroplast

5. Stems have a lot of tissue volume that needs energy to support metabolic activities Stems have very little surface area Leaves add surface area but very little additional interior to support Why Do Plants Have Leaves?

6. Cacti Succulent Plants

7. Why Are Leaves Different Thickness? Sun leaves Shade leaves

8. Stomata

10. Adaptation for Protection From Ozone

11. Why Do Some Leaves Have Trichome? Sycamore Leaf

12. Phototropic

14. Light

15. Electromagnetic Spectrum

16. The ALTA Reflectance Spectrometer

17. Remote Sensor Imaging 4 5 6 1 3 2 7

18. Post Lab Discussion….

19. Young Leaf Mature Leaf