was watching a documentary and saw theses baby turtles that almost straight running towards the sea once hatched, and couldn’t understand that how they knew about that sea is where they should be going, without any adult turtle nearby or something that could guide them…
In: Biology
They can smell and hear the sea, and have a reflexive instinct to go toward those sensations. The turtles that did not have this reflex died off, the ones that did have this reflex survived and had more babies. Better “find the sea” reflexes made a turtle’s babies much more likely to live and make more babies.
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