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Há 4 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.
Há 1 dia · Para compreender o surgimento dos cordados vertebrados, faz-se necessário conhecer brevemente outros três grupos. São eles: Hemichordata, Urochordata e Cephalochordata. Esses três grupos possuem as características que formarão os vertebrados, portanto, compreender como essas características se desenharam nesses grupos é fundamental.
Há 1 dia · This group, called the Notochordata, was placed as sister group to the Tunicata (Urochordata). Although this was once the leading hypothesis, [28] studies since 2006 analyzing large sequencing datasets strongly support Olfactores (tunicates + vertebrates) as a monophyletic clade, [29] [30] [27] and the placement of Cephalochordata as ...
25 de jun. de 2024 · Two distinctly different body plans exist in this phylum: the large, solitary acorn worms (Class Enteropneusta), and the filter-feeding colonies of the class Pterobranchia. The hemichordate body is divided into three parts: proboscis (protostome), collar (mesosome) and trunk (metasome) - reflecting an underlying tricoelomate ...
Há 2 dias · Ascidiacea (Chordata: Urochordata) do litoral brasileiro, BP.DR; Adaptação morfológicas relacionadas ao hábito alimentar em Thalassinidea (Crustacea: Decapoda), BP.DR; Ecologia das ascidias da baia de santos (sp): periodo reprodutivo crescimento e aspectos sucessionais., BP.MS
Há 1 dia · Fish, any of approximately 34,000 species of vertebrate animals (phylum Chordata) found in the fresh and salt waters of the world. Living species range from the primitive jawless lampreys and hagfishes through the cartilaginous sharks, skates, and rays to the abundant and diverse bony fishes.
Há 3 dias · The Orthoptera is an order of large and easily recognized insects, which includes the Grasshoppers, Locusts, Groundhoppers, Crickets, Bush-crickets (called Katydids in America), Mole-crickets and Camel-crickets as well as some lesser groups. There are about 25,000 known species of Orthoptera distributed around the world.
