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The most primitive fish are typically represented by the jawless fish known as agnathans, which include species like lampreys and hagfish. These fish have a simple body structure and lack jaws, fins, and paired appendages, differentiating them from more advanced fish. They are considered some of the earliest vertebrates, having existed for hundreds of millions of years, providing insights into the evolution of more complex fish and vertebrates. Their unique characteristics make them a significant focus in studies of vertebrate evolution.
What else can I help you with?
Is the cartilaginous fish is the most primitive group of fish?
It is as primitive as a cave man.
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.
What is the difference between primitive fish and the most advanced types?
Primitive fish are typically simpler in structure and behavior, with characteristics like cartilaginous skeletons and lack of jaws. In contrast, more advanced fish have evolved adaptations like bony skeletons, jaws, and specialized sensory organs for improved survival and reproduction. They also exhibit more complex behaviors and reproductive strategies compared to primitive fish.
Is hydra a fish?
No a hydra is not a fish. A fish is a vertebrate. A hydra is much more primitive.
Is a hydra a fish?
No a hydra is not a fish. A fish is a vertebrate. A hydra is much more primitive.
What are types of primitive bony fish?
If you are doing the cross word, the answer is Sturgeon - one of the oldest bony fish linking to fossils of primitive type. ;-)
The most primitive vertebrates are members of the group of a jawless fishes b amphibians c artilaginous fish d birds e bony fish?
A: jawless fish
What are the animals that do not mate bodily?
All primitive soft-bodied animals that live in the sea. Most fish, most arthropods and quite a few insects.
What is the fourth chamber of a fish's heart known as?
Most fish have only two heart chambers.Amphibians and some types of primitive fish have four heart chambers, and the fourth one of these is known as the conus arteriosus.
What is the superlative form of the word primitive?
most primitive
Is shark mamal?
No, it is a shark, which are primitive fishes.
Is a white shark a mammal?
Neither. Sharks are primitive fish, with cartiledge skeletons.
