Scientists Have Found The First Branch On The Tree Of Life
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The First Branch On The Tree Of Life
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All Earth’s creatures descend from a single ancestor, aged 600 to 800 million years. Debates among researchers focused on whether sponges or comb jellies came first among all animals. Some thought it might be the sponge world first. Others leaned toward the gelatinous swimmers known as comb jellies. That way works better for deep evolutionary lines, skipping the mistakes that messed up past results. What we thought was true now has a new layer after this finding. The root of the living tree shifts in ways no one expected. Think differently about where animals first appeared on Earth. Each of these eight ideas shifts how we see early life changes.