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1 giorno fa · Cnidaria ( / nɪˈdɛəriə, naɪ -/ nih-DAIR-ee-ə, NY-) [4] is a phylum under kingdom Animalia containing over 11,000 species [5] of aquatic animals found both in fresh water and marine environments (predominantly the latter), including jellyfish, hydroids, sea anemones, corals and some of the smallest marine parasites.
20 mag 2024 · The gastrotrichs ( phylum Gastrotricha ), commonly referred to as hairybellies or hairybacks, are a group of microscopic (0.06–3.0 mm), cylindrical, acoelomate animals, and are widely distributed and abundant in freshwater and marine environments. They are mostly benthic and live within the periphyton, the layer of tiny organisms ...
20 mag 2024 · Onychophora / ɒnɪˈkɒfərə / (from Ancient Greek: ονυχής, onyches, "claws"; and φέρειν, pherein, "to carry"), commonly known as velvet worms (due to their velvety texture and somewhat wormlike appearance) or more ambiguously as peripatus / pəˈrɪpətəs / (after the first described genus, Peripatus ), is a phylum of elongate, soft-bodied, many-legged...
4 giorni fa · Cornu aspersum (formerly Helix aspersa) – a common land snail. Mollusca is the second-largest phylum of invertebrate animals, after Arthropoda; members are known as molluscs or mollusks [a] ( / ˈmɒləsks / ). Around 76,000 extant species of molluscs are recognized. [3] The number of fossil species is estimated between 60,000 and ...
6 giorni fa · Planulozoa/ParaHoxozoa: separation from the Placozoa and Cnidaria lineages. All diploblasts possess epithelia , nerves , muscles and connective tissue and mouths , and except for placozoans, have some form of symmetry, with their ancestors probably having radial symmetry like that of cnidarians.
1 mag 2024 · ParaHoxozoa. O grupo ParaHoxozoa foi assim denominado por causa dos genes ParaHox, os quais são encontrados em todos planulozoários (Cnidaria + Bilateria) e possivelmente também em Placozoa [ 1].
5 giorni fa · I capolavori architettonici costruiti dopo il terremoto, insieme a tutti quelli presenti nel Val di Noto, sono stati dichiarati nel 2002 patrimonio dell'umanità dall' UNESCO. Ragusa è uno dei luoghi più importanti per la presenza di testimonianze d'arte barocca, come le sue chiese e i suoi palazzi settecenteschi [6] [7] . Indice. 1 Geografia fisica
