Which group of organisms was the first to exi | vedclass

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(C) Among the given options,$Algae$ (specifically cyanobacteria or blue-green algae) are considered the first photosynthetic organisms to have evolved

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Algae

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(C) Among the given options,$Algae$ (specifically cyanobacteria or blue-green algae) are considered the first photosynthetic organisms to have evolved on Earth. They played a crucial role in oxygenating the Earth's atmosphere through the process of photosynthesis. 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 autotrophic life forms.

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

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