Which of the following features of bony fish is Missing in cartilaginous fish?
Broad paired fins and caudal fin. Gills are not covered by an operculum (gill cover). Exoskeleton contains placoid scales which are dermal in origin.
Which is absent in cartilaginous fishes?
Answer: Chondrichthyes Class of vertebrate animals characterized by a cartilaginous endoskeleton, a skin covered by placoid scales, the structure of their fin rays, and the absence of a bony operculum, lungs, and swim bladder.
What differences can you find between a bony fish and a cartilaginous fish?
The principal difference between bony fish and cartilaginous fish is in the skeleton makeup. As previously mentioned, bony fish have a bone skeleton whereas cartilaginous fish have a skeleton made of cartilage.
Which of the following is not a characteristic feature of bony fishes?
The option that is not a characteristic of the class Osteichthyes is b) a cartilaginous skeleton.
Which of the following are features of bony fishes?
Bony fishes share several distinguishing features: a skeleton of bone, scales, paired fins, one pair of gill openings, jaws, and paired nostrils.
Which of the following is an example of bony fish?
Examples are sharks, rays, dog-fish, skates, sturgion. Osteichthyes: These are fishes with bony skeleton. Examples are Tuna, Sardines, Codfish, Salmon, Trouts, Herring etc.
What do bony fish and cartilaginous fish have in common?
Similarities Between Bony Fish and Cartilaginous Fish
Both bony fish and cartilaginous fish have an endoskeleton. Both bony fish and cartilaginous fish breath through gills. Both bony fish and cartilaginous fish possess a mouth with jaws. Both bony fish and cartilaginous fish have paired fins.
Do bony fish have Operculum?
Bony fish also have an operculum. The operculum is a bony flap of skin over their gills that protects the gills. It opens and closes to help bony fish breathe when they are not swimming. Bony fish have scales, and most species have a fusiform body design.
What do cartilaginous and bony fishes have in common quizlet?
Cartilaginous fishes have a cartilage skeleton. Bony fishes have a bony skeleton. … Bony fish inhale through their mouth and exhale through gills, cartilaginous fishes inhale through spiracles and diffuses through their mouth.
What are the key distinguishing features between the bony fish Osteichthyes and the cartilaginous fish chondrichthyes )?
The main difference between Chondrichthyes and Osteichthyes is that the Chondrichthyes is the class of bony fish whose endoskeleton is made up of cartilages whereas Osteichthyes is the class of cartilaginous fish whose endoskeleton is made up of bones.
What is the difference between a bony fish and a cartilaginous fish Brainly?
Bony fish is a fish which has only bones . It is dead and only its bones are remaining. Cartilaginous fish is fully alive with its muscles and all organs present inside it.
Which of the following is not a bony fish?
The Classification of Non-Bony Fish
From there the non-bony fishes can be divided into two classes: Class Agnatha (Jawless Fishes) and Class Chondrichthyes (sharks and rays.)
Which of the following is a characteristic of a cartilaginous fish?
The cartilaginous fish are jawed fish with paired fins, paired nostrils, scales, two-chambered hearts, and skeletons made of cartilage rather than bone. Examples of the cartilaginous fish include sharks, rays, and skates.
Which among the following is a cartilaginous fish?
Cartilaginous fishes (chondrichthyes) represent the oldest surviving jawed vertebrates and, as the name suggests, have a skeleton made out of cartilage. They include sharks, rays, and skates (elasmobranchii) and chimeras (holocephali).