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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Answer: No. Yes. Well kind of, sort of. I get this question almost weekly working for a recycling company. Many times people assume Styrofoam is recyclable, especially if it has a recycling symbol and number on the piece. Packaging pieces and Dunkin Donut cups keep appearing more and more mixed in with single stream and glass/plastics recycling. The truth is most forms of Styrofoam are recyclable, yes surprisingly it is. The problem is there arenât many facilities that accept this material for recycling. For recycling to be cost effective and feasible you need a large amount of material.