WHO ARE FIRST VERETEBRATES ON EARTH

1.	WHO ARE FIRST VERETEBRATES ON EARTH
Answer» ANSWER: The earliest vertebrates were JAWLESS fish, SIMILAR to living hagfish. They LIVED between 500 and 600 million years ago. They had a cranium but no vertebral column.

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The earliest vertebrates were JAWLESS fish, SIMILAR to living hagfish. They LIVED between 500 and 600 million years ago. They had a cranium but no vertebral column.

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WHO ARE FIRST VERETEBRATES ON EARTH

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