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The Concept Map you are trying to access has information related to:
Nichole Brown 4C, Cartilage can have Jaw, 4 digits on front feet is class Amphibia, Dermal Scales can be Placoid Scales, Spiral Intestinal Valve is class Chondrichtheys, Chondrichtheys example Shark, Reptilia example Bird, Bone has Jaw, More than 7 gill slits also has Slime Glands, Fusiform made of Bone, no scales can have exactly 7 gill slits