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| rdfs:comment | - Vertebrates are members of the subphylum Vertebrata, chordates with backbones or spinal columns. Vertebrates include mammals and reptiles. The grouping sometimes includes the hagfish, which have no vertebrae, but are genetically quite closely related to lampreys, which do have vertebrae.
- Vertebrate is the scientific name given to any animal with a backbone. Below is an example of a vertebrate- a toad. Vertebrates include Birds, Reptiles, Mammals and Fish... Image:Wiki.png This article is a . You can help the My English Wiki by expanding it.
- Vertebrate is the scientific name given to any animal with a backbone. Below is an example of a vertebrate- a toad. Vertebrates include Birds, Reptiles, Mammals and Fish... This article is a . You can help My English Wiki by expanding it. From Nature Wiki, a Wikia wiki.
- Vertebrates are members of the subphylum Vertebrata (within the phylum Chordata), specifically, those chordates with backbones or spinal columns. About 57,739 species of vertebrates have been described. Vertebrates started to evolve about 530 million years ago during the Cambrian explosion, which is part of the Cambrian period (first known vertebrate is Myllokunmingia). Their name derives from the bones of the spinal column (or vertebral column), the vertebrae. Vertebrata is the largest subphylum of chordates, and contains many familiar groups of large land animals. Fish (including lampreys, but traditionally not hagfish, though this is now disputed), amphibians, reptiles, birds, and mammals (including humans) are vertebrates. Characteristics of the subphylum are a muscular system that mos
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| fossil range | - mid Early Cambrian to Recent
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| Image caption | - Northern bluefin tuna, Thunnus thynnus
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| abstract | - Vertebrates are members of the subphylum Vertebrata (within the phylum Chordata), specifically, those chordates with backbones or spinal columns. About 57,739 species of vertebrates have been described. Vertebrates started to evolve about 530 million years ago during the Cambrian explosion, which is part of the Cambrian period (first known vertebrate is Myllokunmingia). Their name derives from the bones of the spinal column (or vertebral column), the vertebrae. Vertebrata is the largest subphylum of chordates, and contains many familiar groups of large land animals. Fish (including lampreys, but traditionally not hagfish, though this is now disputed), amphibians, reptiles, birds, and mammals (including humans) are vertebrates. Characteristics of the subphylum are a muscular system that mostly consists of paired masses, as well as a central nervous system which is partly located inside the backbone (if one is present). Usually, the defining characteristic of a vertebrate is considered the backbone or spinal cord, a brain case, and an internal skeleton, but the latter do not hold true for lampreys, and the former is arguably present in some other chordates. Rather, all vertebrates are most easily distinguished from all other chordates by having an unequivocal head, that is, sensory organs - especially eyes are concentrated at the fore end of the body and there is pronounced cephalization. Compare the lancelets which have a mouth but no true head, and "see" with their entire back.
- Vertebrates are members of the subphylum Vertebrata, chordates with backbones or spinal columns. Vertebrates include mammals and reptiles. The grouping sometimes includes the hagfish, which have no vertebrae, but are genetically quite closely related to lampreys, which do have vertebrae.
- Vertebrate is the scientific name given to any animal with a backbone. Below is an example of a vertebrate- a toad. Vertebrates include Birds, Reptiles, Mammals and Fish... Image:Wiki.png This article is a . You can help the My English Wiki by expanding it.
- Vertebrate is the scientific name given to any animal with a backbone. Below is an example of a vertebrate- a toad. Vertebrates include Birds, Reptiles, Mammals and Fish... This article is a . You can help My English Wiki by expanding it. From Nature Wiki, a Wikia wiki.
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