Radioactive dating fossils dated

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He named it: The fossil was extraordinary because it was found in a rock formation up to 1.2 billion years old and appeared to be the oldest multicellular organism that was a recognizable eukaryote — the group of complex organisms that include plants, animals and fungi — rather than a colony of microbes living together."It is an extremely important fossil and has been quite controversial," said Andrew Roger, a molecular biologist at Dalhousie University who was not involved in the new study.

They camped on the tundra in lightweight tents at the tops of sea cliffs to avoid polar bears, then scrambled down to collect samples with simple rock hammers.A Canadian-led study aims to settle the controversy over extraordinary Arctic fossils that represent the oldest known sexually reproducing organism and the oldest multicellular organism that used photosynthesis.The fossil organism identified as a red algae called , found in rocks on Somerset Island and Baffin Island in Nunavut, was discovered more than two decades ago and estimated to be between 720 million and 1.2 billion years old.If 25% remains then the age elapsed has to be 2*5570 ie 11140 years.answer 2 Because of the relatively short half-life of C 14 , its use is mainly restricted to archaeological items, or recent organic remains.

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