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These fish are 'living fossils'—among the most primitive animals on Earth - National Geographic
For 150 million years, gars—a group commonly derided as “trash fish”—have mostly stayed the same, a rare consistency not even seen in sharks, a new study says.
By: National Geographic
- Mar 29 2024
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As you copy DNA over and over and over again, you can get mistakes or changes, says David. But gars have something in there that when a mutation pops up, it gets corrected.
David likens the process … [+1115 chars]