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Question
Which era is known as the age of early unicellular life?
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Solution
The correct option is A Archaeozoic
The total span of Earth’s evolution or geological time is basically divided into six eras viz., Azoic, Archaeozoic, Proterozoic, Palaeozoic, Mesozoic and Cenozoic. The second era is called the Archaeozoic era, which is also called the ‘age of early unicellular life’. In this eon, life originated in the sea from organic molecules. Prokaryotes, i.e., Monerans, evolved and diversified. Among plants, bluegreen algae originated from prokaryotes.
The total span of Earth’s evolution or geological time is basically divided into six eras viz., Azoic, Archaeozoic, Proterozoic, Palaeozoic, Mesozoic and Cenozoic. The second era is called the Archaeozoic era, which is also called the ‘age of early unicellular life’. In this eon, life originated in the sea from organic molecules. Prokaryotes, i.e., Monerans, evolved and diversified. Among plants, bluegreen algae originated from prokaryotes.
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