In lake ecosystems, in
I. littoral zone, the rate of photosynthesis equals the rate of repiration.
II. rofundal zone, only respiration occurs.
III. limnetic zone, production is lower than respiration.
IV. profundal zone, production is greater than respiration.
Choose the correct statement..
A. Only I
B. III and IV
C. I and III
D. I and II
