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Question
Which was the first living organism on the Earth?
Options
Ants
Blue-green algae
Monkeys
Mosquito
MCQ
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Solution
Blue-green algae
Explanation:
The first living organism on Earth was the blue-green algae. It appeared in Earth’s oceans nearly 3000 million years ago and played a key role in creating the biosphere by producing oxygen through photosynthesis.
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