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Lampreys and hagfishes are examples of what kind of fishes members of the class Agnatha?
Bony fishHag fishLamprey(both of these are known as the jawless fish)Sharks and rays(both of these are known as cartilaginous fish)Lob-finned fishThis is a very simplified classification of something that is very complex. To see the full tree, try WikiSpieces.
Do fish have keratin?
Fishes of class AGNATHA (myxini) have tooth-like structures that are composed of KERATIN..
Is the class agnatha the oldest known class of fish in the world?
yes actually it is the oldest known class in the world. About forty sixth graders, thirty- six seventh graders and about eighteen eighth graders even know that. only because they are truly gifted and foun out from their teacher and classmates!
Which class of fishes does a lamprey belong?
Lampreys are in the superclass Agnatha, jawless fish. They are of the class Cyclostomata, which includes hagfish, as opposed to the extinct Ostracoderms.
Is the cartilaginous fish is the most primitive group of fish?
It is as primitive as a cave man.
Which class of chordates are jawless fish?
In Phylum Chordata, jawless fish are grouped within Superclass Agnatha. Examples of jawless fish include lampreys and hagfish, which combined total about 120 different species.
What are examples of agnatha?
Examples of agnatha, or jawless fish, include lampreys and hagfish. These fish are characterized by their lack of jaws, paired fins, and scales. They are considered primitive vertebrates and play important roles in marine ecosystems.
What is the most primitive class of fish called?
Agnatha is a superclass of fish that are characterised by their lack of a jaw as opposed to the presence of a jaw found in most modern fish. The surviving two classes are hagfish and lampreys.
How do class agnatha breathe?
with gills; they're fish!
What group do jawless fish belong to?
Jawless fish belong to the group known as Agnatha. This group includes species such as lampreys and hagfish, which are characterized by the absence of jaws and paired fins. Agnatha is considered one of the most primitive classes of vertebrates, and these fish have a unique, elongated body structure and a cartilaginous skeleton.
What superclass contains the hagfish and the lamprey?
The hagfish and the lamprey belong to the superclass Agnatha. This group is characterized by jawless fish and is considered one of the most primitive lineages of vertebrates. Agnatha includes both extant species like hagfish and lampreys, as well as extinct forms.
What order is jawless fish in?
Jawless fish are the oldest group of fish, belonging to the class Agnatha. Within this class, they are further divided into two orders: the Petromyzontiformes (lampreys) and the Myxiniformes (hagfish).
Lampreys and hagfishes are examples of what kind of fishes members of the class Agnatha?
Bony fishHag fishLamprey(both of these are known as the jawless fish)Sharks and rays(both of these are known as cartilaginous fish)Lob-finned fishThis is a very simplified classification of something that is very complex. To see the full tree, try WikiSpieces.
Do fish have keratin?
Fishes of class AGNATHA (myxini) have tooth-like structures that are composed of KERATIN..
Is the class agnatha the oldest known class of fish in the world?
yes actually it is the oldest known class in the world. About forty sixth graders, thirty- six seventh graders and about eighteen eighth graders even know that. only because they are truly gifted and foun out from their teacher and classmates!
Is a trout a jawless fish?
No, trout are not jawless fish. They belong to the class Osteichthyes, which includes jawed fish with bony skeletons. Jawless fish belong to the class Agnatha, which includes animals like lampreys and hagfish.
Lampreys and hag fishes are examples of what kind members of the class a gnat ha?
Lampreys and hagfish are examples of jawless fish, which belong to the class Agnatha. They are characterized by their lack of jaws, paired fins, and a cartilaginous structure. These primitive vertebrates primarily feed on other fish and are often found in both freshwater and marine environments. Their unique adaptations and evolutionary history make them significant in the study of vertebrate evolution.
