The same is true for sea squirts. Yes, in fish the pharyngeal pouches go on to push through to the outside of the body, and the tissues between the 'slits' develop into the gill bars of bone or cartilage that support the delicate filaments of the gils themselves.
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What is 'Scrap Value'. Scrap value is the worth of a physical asset's individual components when the asset itself is deemed no longer usable. The individual components, known as scrap, are worth something if they can be put to other uses. Sometimes scrap materials can be used as is; other times they must be processed before they can be reused. An item's scrap value is determined by the supply and demand for the materials it can be broken down into.