SCIENCE
ZOOLOGY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Hagfish and lampreys
|
|
|
jelly fish and octopus
|
|
|
sharks, rays, and skates
|
|
|
bony fish
|
Detailed explanation-1: -Living Osteichthyes are divided into three subclasses: Dipnoi, Crossopterygii, and Actinopterygii.
Detailed explanation-2: -Osteichthyes. The third major group of fish is the Osteichthyes or the true bony fish, which is divided into two classes. The first class is the more primitive of the two classes and is called the Sarcopterygii.
Detailed explanation-3: -Sunfish, bass, catfish, trout, and pike are examples of bony fish, as are the freshwater tropical fish that you see in aquariums. Other species of bony fish include: Tuna. Atlantic cod.
Detailed explanation-4: -The four groups of fishes are: Jawless Fishes (2 classes), Cartilaginous Fishes, and Bony Fishes. Jawless fish have round mouths. Many are parasite fish and will attach to a host fish to feed.
Detailed explanation-5: -Scientists classify fish into two major groups: the jawless (Agnatha) fishes and the jawed (Gnathastomata) fishes.