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Há 4 dias · The vertebrates consist of all the taxa within the subphylum Vertebrata (/ ˌ v ɜːr t ə ˈ b r eɪ t ə /) and represent the overwhelming majority of the phylum Chordata, with currently about 69,963 species described.
Há 3 dias · Cetaceans are famous for their high intelligence, complex social behaviour, and the enormous size of some of the group's members. For example, the blue whale reaches a maximum confirmed length of 29.9 meters (98 feet) and a weight of 173 tonnes (190 short tons), making it the largest known animal ever to have existed.
Há 1 dia · Crocodilia (or Crocodylia, both / krɒkəˈdɪliə /) is an order of mostly large, semiaquatic, predatory reptiles known as crocodilians. They first appeared 94 million years ago in the Late Cretaceous period and are the closest living relatives of birds, as the two groups are the only known survivors of the Archosauria.
27 de mai. de 2024 · Chordates are animals that belong to the phylum Chordata. These animals are unified by the presence in their bodies of a flexible rod that supports their backsides at some point during their development. While most chordates are vertebrates and have backbones, some are invertebrates.
Há 2 dias · 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.
4 de jun. de 2024 · Tunicate, any member of the subphylum Tunicata (Urochordata) of the phylum Chordata. Small marine animals, they are found in great numbers throughout the seas of the world. Adult members are commonly embedded in a tough secreted tunic containing cellulose (a glucose polysaccharide not normally.
9 de jun. de 2024 · Castorocauda weighed 500 to 800 grams (1.1 to 1.8 pounds) and was almost as large as living platypuses, making it the largest Jurassic mammal known. (more) The higher classification of the class Mammalia is based on consideration of a broad array of characters.
