The Earliest fish appeared during the Cambrian as compact filter feeders; they ongoing to evolve in the Paleozoic, diversifying into many sorts. The earliest fish with focused respiratory gills and paired fins, the ostracoderms, had hefty bony plates that served as protecting exoskeletons versus invertebrate predators. Home windows for residence https://maps.app.goo.gl/kTisAZCbSjAw6nkX8