Ok! This is semi related to the question about fighting merits and natural weapons
So would Body as a Weapon work with Biomimicry claws? Based on some wording they might not. Body as a Weapon only upgrades damage of unarmed attacks (and so wouldn't stack with brass knuckles because weapons using brawl are not unarmed) and Biomimicry claws say they are treated as 0L weapons, but they are also extensions of your body?
Similarly would growing armor with Biomimicry stack with the iron skin merits, including Advanced/epic?