Read the following statements. I. Identification and enumeration of plant and animal species of ...

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Read the following statements.
I. Identification and enumeration of plant and animal species of an ecosystem given its species composition.
II. Despite occupying about \( 70 \% \) of the surface, the productivity of the oceans are only 55 billion tons.
III. A constant input of solar energy is the basic requirement for any ecosystem to function and sustain.
IV. Sugarcane have more efficiency to trap sunlight, so they accumulate more primary productivity.
Which of the statements given above are correct?
(a) I and II
(b) I and IV
(c) I, II, III and IV
(d) None of these
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