Carbon and energy requirements of autotrophic organisms are fulfilled by ____.

Photosynthesis

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Gluconeogenesis

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Glycogenesis

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External sources

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Solution

The correct option is A Photosynthesis
Carbon and energy requirements of autotrophic organisms are fulfilled by photosynthesis. It is a process in which autotrophic organisms utilize carbon dioxide and water in presence of sunlight and chlorophyll to form carbohydrates, the energy source.
Thus, the correct answer is 'Photosynthesis.'

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