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class cyclostomata are without jaws
there eg are :
petromyzon
myxine
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∙ 11y ago
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Which group of arthropods lack jaws?
Chelicerates (crabs, Pycnogonida, and Mercostonata) are arthropods that lack jaws.
What is the Biggest group of arthropods?
Chelicerates are a group of arthropods that lack jaws. Examples of chelicerates include horseshoe crabs, mites, ticks, spiders, and scorpions. Arthropods that have jaws are classified as mandibulates.
Jaws found on some arthropods?
chelicerates
What are the jaws found on some arthropods?
chelicerates
How does the mandible of arthropods open differently than the jaws of humans?
The mandibles of arthropods open side to side. The jaws of humans open up and down.
What is the function of mandibles in arthropods?
Mandibles are jaws and are used for eating.
What do you call the jaw of an arthropod?
Well, actually, arthropods don't have jaws, but I know what you mean. Arthropods have mandibles. Mandibles open side to side, which is great for slicing and tearing!
One of the two cartilaginous fish that lack jaws is the?
Lampreys
Crustaceans are the only arthropods that have?
Crustaceans have exoskeletons, two pairs of antennae, two pairs of maxillae, biramous legs, and mandibles, which are like jaws.
What classes of fish lack paired fins and jaws?
Myxini, the hagfishesLampreys are as well, but their class has not been determined.
Why is the lack of teeth in birds an adaptation for flight?
makes them better streamlined i would guess
Which vertebrates lack exoskeleton?
arthropods and mostly molluscas have exoskileton made up of chitin and calcium carbonate respectively
