• question_answer
                The rate at which light energy is converted into chemical energy of organic molecules is the ecosystem's:

    A)                                                                                                                                                                                         net primary productivity                                 

    B)              gross secondary productivity

    C)              net secondary productivity                                            

    D)              gross primary productivity

    Correct Answer: D

    Solution :

                Plants, found in an ecosystem are known as producers, because they can prepare food for their self by the process of photosynthesis. The energy fixed by the autotrophs during photosynthesis gets incorporated into organic compounds. The rate at which organic molecules are formed in a green plant (or a population of green plants) is called gross primary productivity.

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