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What are the eight classes of vertebrates?
There are five main classes of vertebrates, but one of these classes is divided into three classes, giving a total of seven classes altogether.Mammals (Mammalia)Birds (Aves)Reptiles (Reptilia)Amphibians (Amphibia)Fish - which in turn are subdivided into:Agnatha (jawless fish without scales, e.g. lampreys and hagfish);Chondrichthyes (sharks and rays, which have skeletons of cartilage rather than bone)Osteichthyes (all the bony fish e.g. tuna, trout, whiting, etc.)
Is a rainbow trout a herbivore?
No, rainbow trout will eat insects on the water top, as well as smaller fish.
Are lungfish carnivores?
Both jawless fish and cartilaginous fish have skeletons composed of cartilage and distinct brains. Also, some cartilaginous fish don't have scales, and all jawless fish don't have scales. Cartilaginous fish, however, have jaws, paired appendages, and a kind of vertebrae. Jawless fish do not have jaws, paired appendages, and often are without vertebrae.
Are trout decomposers?
No, trout are not decomposers. Trout are carnivorous fish that feed on smaller aquatic animals like insects, crustaceans, and smaller fish. Decomposers are organisms that break down dead organic matter into simpler compounds.
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.
Is a trout jawless?
no
Is a clown fish a jawless fish?
Clown fish do have jaws, so they are not a jawless fish.
Do jawless fish have unpaired fins?
yes, jawless fish have no paired fins
What is the skeletal type to jawless fish?
Jawless fish have an internal cartelagenous endoskeleton.
How do jawless fish breathe?
Jawless fish breathe from gills.
Give you some example of jawless fish?
Most fish are not jawless. There is a small group of very primitive fish called Jawless fish (Agnatha). However, they make up a very small proportion (<1%) of the fish species on earth. Jawless fish are things like lamprey and hagfish. All other fish, like trout, salmon, tuna, sharks, rays, cichlids, goldfish, etc, etc, have jaws. See the related link for more information on the primitive jawless fish.
What is the scientific name of a jawless fish?
Jawless fish are Phylum Chordata, they are also known as paraphyletic, they still are around today.
Is a Hagfish a fish?
No, they are jawless fish.
Like jawless fish cartilaginous fish have sketetons made of?
Both jawless fish and cartilaginous fish have skeletons made of cartilage.
Name for group of jawless fish?
A group of jawless fish is commonly referred to as "agnatha."
What kind of fish are most ancient?
Jawless Entelognathus primordialis is the most ancient fish.
Where Do Young jawless Fish Develop?
Jawless fish develope in an egg. The female jawless fish lays her eggs in turtle grass, where the male produces spurm and the egg developes.
