Scientists on Monday said a tiny marine creature from China that wriggled in the seabed mud about 540 million years ago may be the earliest-known animal in the lengthy evolutionary path that eventually led to humans. University of Cambridge paleontologist Simon Conway Morris noted that humans, who appeared a relatively recent 200,000 years ago, have a series of "evolutionarily deeper ancestors" than monkeys and apes. "And is not beauty in the eye of the beholder?" Conway Morris asked.
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