ScienceDaily Posted March 23, 2021 Share Posted March 23, 2021 Webbed feet, flipper-like wings and unique feathers all helped penguins adapt to life underwater. But by resurrecting two ancient versions of hemoglobin, a research team has shown that the evolution of diving is also in their blood, which optimized its capture and release of oxygen to ensure that penguins wouldn't waste their breath while holding it.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/ek23qxo_xC0View the full article Quote Link to comment Share on other sites More sharing options...
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