We're more like primitive fishes than once believed, new research shows

ScienceDaily
Feb 5, 2021, 9:06 pm95 pts
Lungs and limbs have been thought of as key innovations that came with the vertebrate transition from water to land. But in fact, the genetic basis of air-breathing and limb movement was already established in our fish ancestor 50 million years earlier, according to a recent genome mapping of primitive fish.…

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