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What class of fish has fully functional jaws?
Shark or barracuda.
What can fishes with jaws do that fishes without jaws cant?
the fish that do have jaws can easily break ther food down into chunks and easily swallow it and one without jaws can do that
What arthropods lack jaws?
class cyclostomata are without jaws there eg are : petromyzon myxine
Do cartilaginous fish have operculum?
Jawless fish are cartilaginous, but they do not have jaws. Class Chondrichthyes, which contains most cartilaginous fish, like sharks, have powerful jaws.
What classes of fish lack paired fins and jaws?
Myxini, the hagfishesLampreys are as well, but their class has not been determined.
Why do fish have jaws?
Jaws is a fish (a shark).....didn't you see the movie?
Fish in the class chondrichthyes have skeletons of cartilage and powerful jaws which fish do not belong to this group?
The only fish that do belong to the group are sharks, rays and chimaeras. All others do not.
Why are fish from the class Agnatha considered primitive?
Agnatha means 'no jaws', and they really don't have jaws, although they do have teeth. They also have no stomach, and no boney skeleton. Their skeleton is cartilagineous, like the elasmobranchs.
Why did jaws evolve invertebrates?
Jaws evolved from the gill bars on fish.
Is a lamprey a Jawless?
Yes, lampreys are jawless fish. So are hagfish. Lampreys and hagfish have slender, eel-like bodies without scales. They do not have paired appendages, and, of course, they lack jaws. They have cartilaginous skeletons and often do not have vertebrae.
Is a clown fish a jawless fish?
Clown fish do have jaws, so they are not a jawless fish.
What was the first class to have jaws?
Acanthodians
