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| 关键词：Ancestor of |
| 概念： |
| A team of geologists at UC Riverside have discovered a tiny, wormlike creature, named Ikaria wariootia that is believed to be the first ancestor on the family tree ... |
| 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 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. |
| 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 ... |
| 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. |
| A tiny, 555-million-year-old seafloor creature reveals why our bodies are organised the way they are. |
| 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 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 ... |
| A worm-like creature smaller than a grain of rice that burrowed on the sea floor in search of meals like dead organic matter about 555 million years ago may be ... |
| A team led by UC Riverside geologists has discovered the first ancestor on the family tree that contains most familiar animals today, including humans. The tiny ... |