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fish
The vertebrates have a nebulous starting point. There are some chordates that have more of a notochord than a true vertebrate column. Some taxicologists are more comfortable saying that a Coelacanth has a notochord rather than a vertebrate column when clearly the vertebrate are present in this animal.
So its is a matter of your own definition. One could say 'at a stretch' that the hagfish and lamprey are the most ancient vertebrates.
What else can I help you with?
Why are the fossils of vertebrates similar to the bones of living vertebrates?
Fossils of vertebrates are similar to the bones of living vertebrates because they were once part of living organisms that shared similar anatomical structures and functions. Over time, the bones of vertebrates have undergone evolutionary changes, but many core features have been conserved due to their essential functions. This similarity allows paleontologists to make informed comparisons and infer the evolutionary relationships between ancient and modern vertebrates.
Are most animals on earth vertebrates or inveretebrate' s?
vertebrates
What is the most ancient group of verbrates?
The most ancient group of vertebrates is generally considered to be jawless fish, particularly those in the class Agnatha, which includes lampreys and hagfish. These creatures first appeared over 500 million years ago and are characterized by their lack of jaws and paired fins. Their evolutionary significance lies in their primitive features, which provide insight into the early development of vertebrates.
Endoskeletons of most vertebrates are composed of?
What materials make up the endoskeletons of most vertebrates
What is an Owl Gruop?
MOB
Are trouts vertebrates?
Yes, most fish species have backbones, therefore are vertebrates.
Are rats invertebrates or vertebrates?
since rats are mammals, they are most definitely vertebrates.
What is the most ancient group of vertebrate's?
fish The vertebrates have a nebulous starting point. There are some chordates that have more of a notochord than a true vertebrate column. Some taxicologists are more comfortable saying that a Coelacanth has a notochord rather than a vertebrate column when clearly the vertebrate are present in this animal. So its is a matter of your own definition. One could say 'at a stretch' that the hagfish and lamprey are the most ancient vertebrates.
Name 5 organs found in most vertebrates?
Five organs that are found in most vertebrates are the brain, stomach, heart, eyes and skin. Vertebrates are animals that have a spine.
Is a loggerhead sea turtle a vertebrate?
Sea turtles are among the world's most ancient vertebrates. ... Sea turtles are reptiles, like snakes and lizards, and breathe air.
Are flying lemurs vertebrates or invertebrates?
They are Vertebrates, most of them have a spine which puts them in the vertebrate category!
A gruop of insects is called?
a swarm
