How are bony fishes more advanced then the cartilage fishes

Q- How are bony fishes more advanced then the cartilage fishes?

Answer- It is absolutely right that bony fishes are advanced as compared to cartilage fishes. Some of the points that prove the advancement of bony fishes over cartilage fishes are as follows:

1. There are 4 gill slits present that are covered with operculum.

2. The body of bony fishes is covered by cycloid or ctenoid scales.

3. The endoskeleton of bony fishes is formed of bones. 

Leave a Comment