1. Resources – Air and water

2. Physical conditions Thermal Water & osmotic pH Toxins Radiation

3. Resources Food or light (energy) Nutrients Water Space Oxygen Carbon dioxide

4. Essential elements All: C,H,K,N,S,Ca,Fe,Mg -- Mn,Zn,Cu Plants: B,Si,Co(legumes) Animals: Cl,Na,Cr,Se

5. Classification of resources

6. Photosynthesis and temperature

10. Photosynthesis and light level

12. Light reactions of photosynthesis

24. Ecological significance of C4 & CAM photosynthesis Temperature and water response Community structure and niche differences Soil fertility Atmospheric CO2 Herbivory Epiphytes Aquatics