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19 de jun. de 2024 · Chordate, any member of the phylum Chordata, which includes the vertebrates, the most highly evolved animals, as well as two other subphyla—the tunicates and cephalochordates. Some classifications also include the phylum Hemichordata with the chordates.
10 de jun. de 2024 · Urochordata: notochord is present only in larval tail, blood vascular system is open, fertilization is external and development indirect. Examples: Urochordata – Doliolum; Ascidia, Salpa ...
19 de jun. de 2024 · Hemichordates are probably the closest relatives of chordates. Phylum Chordata has three subphyla: Tunicata (Urochordata or tunicates); Cephalochordata (Acrania or lancelets); and Vertebrata (Craniata or vertebrates).
29 de jun. de 2024 · Gastropoda. Caracóis, caramujos, lesmas, lapas. É largamente a classe mais diversa de moluscos, com mais de 100 mil espécies conhecidas. Os moluscos gastrópodes apresentam uma cabeça bem distinta e muitas espécies possuem uma concha dorsal constituída de uma única peça contorcida.
12 de jun. de 2024 · Analisando as opções apresentadas: A) Echinodermata, Urochordata e Cephalochordata - A ordem está correta, seguindo a classificação correta desses filos. B) Urochordata, Cephalochordata e Echinodermata - A ordem está invertida, não seguindo a classificação correta dos filos.
19 de jun. de 2024 · In both cephalochordates and vertebrates, muscles used in locomotion are well developed and organized segmentally. The tail musculature of tunicates is simpler and without clear indications of segmentation. There is at least a small amount of musculature throughout the body of all chordates.
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.
