A. Leaf curling
B. Dormancy
C. Chlorosis
D. Necrosis
A. Phototrophie
B. Chemotrophic
C. Heterotrophic
D. Parasitic
A. O2
B. S
C. N
D. CO2
A. HNO2
B. H2S
C. H2O
D. HCO2
A. Chemotrophs
B. Phototrophs
C. Parasites
D. Heterotrophs
A. Heterotrophs
B. Parasites
C. Saprophytes
D. Autotrophs
A. Nutrition
B. Absorption
C. Assimilation
D. None of them
A. 10%
B. 30%
C. 40%
D. 50%
A. Primary productivity
B. Secondary Productivity
C. Gross Productivity
D. Net Productivity
A. Composers
B. Decomposers
C. Carnivores
D. Producers