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Hace 3 días · The vertebrates are the only chordate group with neural cephalization, and their neural functions are centralized towards a series of vesicular enlargements in the head, which give rise to a brain.
- Animalia
- Vertebrata, J-B. Lamarck, 1801
6 de may. de 2024 · Vertebrate, any animal of the subphylum Vertebrata. They have backbones and are also characterized by a muscular system consisting primarily of bilaterally paired masses and a central nervous system partly enclosed within the backbone. Its members include fishes, amphibians, reptiles, birds, and mammals.
12 de may. de 2024 · Chordata is a diverse phylum within the animal kingdom, encompassing a wide array of organisms, from fish and birds to humans. This phylum is characterized by the presence of a notochord, a hollow nerve cord, pharyngeal slits, and a muscular post-anal tail at some stage of their development.
Hace 2 días · 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.
11 de may. de 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.
Hace 4 días · Etymology. Until the 16th century, sharks were known to mariners as "sea dogs". This is still evidential in several species termed "dogfish," or the porbeagle.The etymology of the word shark is uncertain, the most likely etymology states that the original sense of the word was that of "predator, one who preys on others" from the Dutch schurk, meaning 'villain, scoundrel' (cf. card shark, loan ...
Hace 1 día · Drosophila nigriventris Macquart, 1844 (Ambiguous) Drosophila melanogaster is a species of fly (an insect of the order Diptera) in the family Drosophilidae. The species is often referred to as the fruit fly or lesser fruit fly, or less commonly the " vinegar fly", " pomace fly", [a] [5] or " banana fly". [6]
