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[Nolan]

I'm self-employed ivermectina para que serve pele Yes which is why in many cases the unformed limb can serve a secondary evolutionary purpose. In the cases of fish, several species such angler fish and frogfish have legs they use to stalk prey underwater. These legs allow the fish to move slower and pass undetected by their prey. In the case of a birds limb, wings probably served thermoregulatory, display of communication purposes long before flight.