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Question

The first autotrophic organism on earth made food by the process of photosynthesis.


A

True

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B

False

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Solution

The correct option is B

False


Primitive Earth had a reducing environment with no oxygen. The conditions on the surface were too harsh to support any life. So life took refuge deep in the oceans. The first organisms used inorganic chemicals as food to generate energy. These were the first autotrophic organisms known as chemoautotrophs. Plants use sun's energy for photosynthesis and are called photoautotrophs.


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