1) What type of scales do cartilaginous fish have? a) Placoid b) Ganoid c) Cycloid d) Ctenoid 2) How many Heart Chambers? a) 1 b) 2 c) 3 d) 4 3) How is ammonia dealt with? a) Dilution b) Urea c) Uric Acid 4) What is a teleost? a) Modern Ray-Finned Fish b) Ancient Fish c) Modern Cartilaginous Fish d) All Modern Fish

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