What’s the biological significance of puppies having “puppy coats”? And why do their patterns have to change once they’ve reached maturity?
In: Biology
Perhaps it is like camouflage, just like in baby deer (that have spots) that disappear when they mature. Nature is pretty cool.
It just happens that there was selection for that. Somewhere back then, the puppies that had a certain coat as a puppy and a certain other colored coat as an adult survived the best, and now it’s offspring is around with the same trait. It most likely isn’t selected for anymore by nature, but it definitely isn’t selected against, so the trait lives on.
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