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| 关键词：Ancestor of |
| 概念： |
| The earliest known ancestor of most familiar forms of animal life living on the planet today appears to have been identified in outback Australia, revealing a ... |
| Evidence of a worm-like creature about the size of a grain of rice has been uncovered in South Australia, and researchers believe it is the oldest ancestor on the ... |
| A wormlike creature that lived more than 555 million years ago is the earliest bilaterian. A team led by UC Riverside geologists has discovered the first ancestor ... |
| A new bit of research published by the National Academy of Sciences showed evidence of one of the first creatures on this planet with a mouth and a butt. More. |
| The animal, called Ikaria wariootia, was said to have lived over 555 million years ago and is reportedly believed to be the first known example of a bilaterian, an. |
| Some 555 million years ago, this worm-like animal with a mouth and butt tunneled through the seafloor, originating the body plan that gave rise to humans and ... |
| A team led by UC Riverside geologists has discovered the first ancestor on the family tree that contains most familiar animals today, including humans. |
| WASHINGTON: A worm-like creature smaller than a grain of rice that burrowed on the seafloor in search of meals like dead organic matter about 555 million ... |
| The creature, called Ikaria wariootia, lived around 555 million years ago and was found in Australia. The largest of the species being about the same size as a ... |
| The fossilized remains of the oldest known ancestor of almost every animal have been discovered. The creature, named Ikaria wariootia, is a wormlike animal ... |