Question

fish made up of bone and cartilage

Answer 1

Answer:

Shark is an example of fishes which are made up of both bone and cartilage

Explanation:

It is also regarded to be Phylum Chordata's greatest class. Due to the following features these fish are commonly acknowledged:

• Their endoskeleton is completely consists of bone.  
• They have opening of the anterior tip of the mouth.
• They can be survived as freshwater fish or seawater fish .
• They have an operculum on either side of their branches .
• They have an air bladder that performs hydrostatic tasks as well.
• Cartilaginous fish also known as Elasmobranchi is this category of fish. You will mainly discover marine fish in this category.  

Therefore, no fresh water fish should be found in this group. Usually they have the following features:

• Their endoskeleton is mainly produced of cartilage  
• Their exoskeleton is made of placoid and the buccal cavity of these fishes is placed ventrally.

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