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Il y a 2 jours · Ascidians (Phylum: Chordata, Class: Ascidiacea), or sea squirts, are the largest and most diverse class of the sub-phylum Tunicata (also known as Urochordata). They comprise approximately 3000 described species found in all marine habitats from shallow water to the deep sea.
Il y a 1 jour · Crocodilia (or Crocodylia, both / krɒkəˈdɪliə /) is an order of mostly large, predatory, semiaquatic reptiles known as crocodilians. They first appeared 94 million years ago in the Late Cretaceous period ( Cenomanian stage) and are the closest living relatives of birds, as the two groups are the only known survivors of the Archosauria.
Il y a 4 jours · Kingdom (biology) The hierarchy of biological classification 's eight major taxonomic ranks. A domain contains one or more kingdoms. Intermediate minor rankings are not shown. In biology, a kingdom is the second highest taxonomic rank, just below domain. Kingdoms are divided into smaller groups called Phylum .
Il y a 1 jour · The vertebrates consist of all the taxa within the subphylum Vertebrata ( / ˌvɜːrtəˈbreɪtə /) [4] and represent the overwhelming majority of the phylum Chordata, with currently about 69,963 species described. [5] Vertebrates comprise groups such as the following infraphyla and classes : Agnatha or jawless fish, which include: † Conodonta.
22 mai 2024 · Chordata is a fascinating and diverse phylum that encompasses a wide range of animals, from the familiar mammals and birds to the enigmatic sea creatures. With over 65,000 living species, Chordata is one of the most diverse and successful animal groups on the planet.
6 mai 2024 · vertebrate, any animal of the subphylum Vertebrata, the predominant subphylum of the phylum Chordata. They have backbones, from which they derive their name. The vertebrates are also characterized by a muscular system consisting primarily of bilaterally paired masses and a central nervous system partly enclosed within the backbone.
20 mai 2024 · Biology. Source: Wikipedia.org. Chordates are a fascinating group of animals that encompass a wide range of species, from fish and birds to mammals and humans. They are characterized by the presence of a notochord, a flexible rod-like structure that runs along the length of their bodies.
