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Chondrichthyes, or cartilaginous fish like sharks and rays, move in the water by using their powerful tail muscles to create thrust and propel themselves forward. They also have streamlined bodies and pectoral fins that help them maneuver and control their direction as they swim. Additionally, some species of chondrichthyes can adjust the position of their pectoral fins to generate lift and maintain buoyancy.
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What is the main difference between Agnathans and Chondrichthyes?
The main difference between Agnathans (jawless fish) and Chondrichthyes (cartilaginous fish) is the presence of jaws. Agnathans lack jaws, while Chondrichthyes have well-developed jaws. Additionally, Agnathans have a cartilaginous skeleton, while Chondrichthyes have a skeleton made of cartilage.
What are some special adaptations of a chondrichthyes?
Chondrichthyes, which include sharks, rays, and skates, possess several unique adaptations that enhance their survival. They have a cartilaginous skeleton, which provides flexibility and reduces weight, allowing for efficient swimming. Additionally, their skin is covered in dermal denticles, which reduce drag and turbulence in the water. Their highly developed sensory systems, including electroreceptors (ampullae of Lorenzini), enable them to detect prey and navigate effectively in their aquatic environments.
What is the class of a stingray?
Stingrays belong to the class Chondrichthyes, which includes cartilaginous fish such as rays, skates, and sharks.
What vertebrate group does the shark belong to?
Sharks are a type of cartilaginous fish, that is their skeleton is made of cartilage rather than bone. They belong to the vertebrate subphylum of chondrichthyes.
What other animals are in class chondrichthyes?
Chondrichyhyes is the animal class that includes cartilaginous fishes like sharks, rays and chimeras.
Do chondrichthyes have bones?
No, chondrichthyes are fish that have skeletons made out of cartilage instead of bone.
Sharks rays and skates belong to what group?
Chondrichthyes
What is the main difference between Agnathans and Chondrichthyes?
The main difference between Agnathans (jawless fish) and Chondrichthyes (cartilaginous fish) is the presence of jaws. Agnathans lack jaws, while Chondrichthyes have well-developed jaws. Additionally, Agnathans have a cartilaginous skeleton, while Chondrichthyes have a skeleton made of cartilage.
What present in bony fish but not in cartilaginous fish?
Cartilaginous fish do not have true bones and belong to a the class Chondrichthyes. Sharks, rays and skates are the best-known of this class. True bony fish belong to the class Osteichthyes. One of the major differences is that the members of the class Chondrichthyes lack the ability to pump water past their gill plates, so they must constantly be on the move or in a fast moving current when they are at rest.
What type of body covering does an organism in the class Chondrichthyes have?
An organism in the class chondrichthyes has a shiny gloss of nutrition on it.
What order do sharks live in?
Chondrichthyes
How do chondrichthyes breath?
they breath with lungs
What sot of group is a stingray?
Chondrichthyes
What type of consumers are Chondrichthyes?
skin
What type of organism is the megalodon?
chondrichthyes
What class of fish do sharks belong to?
Sharks belong to cartilaginous fish. (Chondrichthyes)
What are some other names for shark?
Chondrichthyes
