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Idealised vertebrate body plan, showing key characteristics. Vertebrates (and other chordates) belong to the Bilateria, a group of animals with mirror symmetrical bodies. [6] They move, typically by swimming, using muscles along the back, supported by a strong but flexible skeletal structure, the spine or vertebral column. [7]
Pages in category "Lists of vertebrates" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. A. List of amphibian ...
The following is a list of the classes in each phylum of the kingdom Animalia. There are 107 classes of animals in 33 phyla in this list. However, different sources give different numbers of classes and phyla. For example, Protura, Diplura, and Collembola are often considered to be the three orders in the class Entognatha. This list should by ...
The following list of reptiles lists the vertebrate class of reptiles by family, spanning two subclasses. Reptile here is taken in its traditional ( paraphyletic ) sense, and thus birds are not included (although birds are considered reptiles in the cladistic sense).
A mammal (from Latin mamma 'breast') [1] is a vertebrate animal of the class Mammalia (/ m ə ˈ m eɪ l i. ə /).Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three middle ear bones.
In other animals, the vertebrae take the same regional names except for the coccygeal – in animals with tails, the separate vertebrae are usually called the caudal vertebrae. [19] Because of the different types of locomotion and support needed between the aquatic and other vertebrates, the vertebrae between them show the most variation ...
Pages in category "Vertebrates" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes. ...
Gauthier and de Queiroz identified four different definitions for the same biological name "Aves", which is a problem. [15] The authors proposed to reserve the term Aves only for the crown group consisting of the last common ancestor of all living birds and all of its descendants, [ 15 ] which corresponds to meaning number 4 below.