Viable intermediary
Idea to Value
JANUARY 14, 2022
Why does a dolphin not have gills? If a dolphin were to evolve gills (like fish and other marine animals), then it would be able to explore and utilise more of the ocean since it would no longer need to return to the surface frequently to breathe. Over time, natural selection might allow dolphins with gills to successfully exploit new niches, or perhaps even out-compete air-breathing dolphins.
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