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In which period of paleozoic era first vertebrate appeared
In which period of paleozoic era first vertebrate appeared
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Solution
The correct option is B Ordovician
The Paleozoic Era which ran from about 542 million years ago to 251 million years ago, was a time of great change on earth. The era began with the breakup of one supercontinent and the formation of another. Plants became widespread and the first vertebrate animals colonized the land.So, the correct answer is "Ordovician".
The Paleozoic Era which ran from about 542 million years ago to 251 million years ago, was a time of great change on earth. The era began with the breakup of one supercontinent and the formation of another. Plants became widespread and the first vertebrate animals colonized the land.
So, the correct answer is "Ordovician".
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