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(C) Among the given options, $Algae$ are considered the first photosynthetic organisms that evolved on Earth. They played a crucial role in oxygenatin

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Algae

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(C) Among the given options, $Algae$ are considered the first photosynthetic organisms that evolved on Earth. They played a crucial role in oxygenating the atmosphere. Viruses and viroids are non-cellular entities that require a host cell to replicate, and fungi are heterotrophic organisms that typically evolved after the establishment of photosynthetic life.

Which group of organisms was the first to exist on Earth among the given options?

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