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Answer:

feathers are dead tissues. They are only alive while developing as they have a blood supply. Feathers are produced by living cells located in small pit-like follicles in a bird's epidermis, its outer skin layer. The feather is enlarged by the keratin that is protruding straight out from the skin follicle. In order for something to be classified as anything that was never alive

Explanation:
feathers are non-living because theyre dead tissues. theyre produced by living cells in a bird epidermis and as it reaches full size, the blood supply is cut off and the feather is fully functional but non-living

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