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Fish Anatomy

What group of fish doesn't have a hinged jaw?
How many groups of fish are there?
What controls if a fish sinks or floats in water?
What group of fish do sharks and sting rays belong to?
What fin shape is used for speed and endurance?
What covers fish that adds a layer of protection?
What organ takes toxins out of your blood?
A terminal mouth is often used to eat ______.
The gill covering in bony fish.
What fin is used for balance and braking?
What fin is used for steering and propelling the fish forward?
What do kidneys produce?
Bottom feeders usually have a _______ mouth.
What do fish use to breath?
Structure on the dorsal fins used for protection.