Question

how organism derives their food​

Answer 1

Plants are typically autotrophic organisms meaning that they synthesise their own 'food' from inorganic compounds by photosynthesis. Some plants however are unable to synthesise their own 'food' by photosynthesis and therefore acquire nutrients by parasitic nutrition from other living plants.

Answer 2

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Autotrophs derive their own food by the process of photosynthesis with rhe help of chlorophyll present in their body.