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Chondrichthyes is a class of cartilaginous fish that includes sharks, rays, and skates. Sharks, such as the great white shark, are known for their streamlined bodies and powerful jaws. Rays, like the manta ray, have flattened bodies and are often found gliding through the ocean. Skates are similar to rays but typically have a more rounded body shape and are often found on the sea floor.
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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 the three vertebrate classes of fish?
The three vertebrate classes of fish are: Agnatha (jawless fish without scales, e.g. lampreys and hagfish)Chondrichthyes (sharks and rays, which have skeletons of cartilage rather than bone)Osteichthyes (all the bony fish e.g. tuna, trout, whiting, etc.)
What are the classifications of fish?
Fish are classified into three main groups: Agnatha (jawless fish such as lampreys), Chondrichthyes (cartilaginous fish such as sharks and rays), and Osteichthyes (bony fish such as salmon and tuna). Osteichthyes are further divided into two subclasses: Actinopterygii (ray-finned fish) and Sarcopterygii (lobe-finned fish).
How do chondrichthyes move in the water?
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.
What is the class of a stingray?
Stingrays belong to the class Chondrichthyes, which includes cartilaginous fish such as rays, skates, and sharks.
Do chondrichthyes have a three chambered heart?
no- they have a 2 chamber heart
Give 5 examples of an animal in class chondrichthyes?
Sharks, sea animals and your mom
Are sharks and rays examples of what kind of fishes members of the class Chondrichthyes?
They are members of cartilaginous class of fish.
What Sharks and rays are examples of what kind of fishes members of the class Chondrichthyes?
They are members of cartilaginous class of fish.
What are the three classes of fish and give an example of each?
Agnatha (lampray) , Chondrichthyes (sharks), Osteichthyes (salmon)
What are Sharks and rays are examples of what kind of fishes members of the class Chondrichthyes?
They have cartilage instead of bones for a skeleton. Chondo- means cartilage.
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 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 are three groups of fishes?
Three basic fish groups: Cartilaginous Fish - Chondrichthyes Fay-Finned Fish - Actinopterygii (over 23,000 species) Lobe-Finned Fish - Sarcopterygii
What sot of group is a stingray?
Chondrichthyes
