A new study suggests that the first animals may have appeared on Earth as early as 800 million years ago, predating the Ediacaran period by over 200 million years. This ancient origin implies that early animal life, likely simple marine organisms, survived the extreme conditions of the "Snowball Earth" glaciations. The research utilized molecular clock analysis and examined fossil deposits to revise the timeline of animal evolution. AI
RANK_REASON The item reports on a scientific study presenting new evidence about the timeline of animal evolution on Earth. [lever_c_demoted from research: ic=1 ai=0.0]
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