Subphylum Urochordata | SeaNet
WEBLearn about the tunicates, chordates without backbones, the closest relatives to vertebrates. See photos and descriptions of 2500 living species, their features, habitats and distributions in California.
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Tunicate - Wikipedia
A tunicate is a marine invertebrate animal, a member of the subphylum Tunicata . It is part of the Chordata, a phylum which includes all animals with dorsal nerve cords and notochords (including vertebrates). The subphylum was at one time called Urochordata, and the term urochordates is still sometimes used for these animals. They are the only chordates that have lost their myomeric segmentati…
Wikipedia · Tekst onder CC-BY-SA-licentieIntroduction to the Urochordata - University of …
WEBUrochordata, also known as Tunicata or sea squirts, are simple chordates with a sack-like body and two siphons. They have a free-swimming larva with chordate features, and some are pelagic salps. Learn about their …
Urochordata - Definition, Characteristics, And Classification
WEB13 jun. 2023 · Urochordata, or Tunicates, are marine invertebrates with a unique life cycle and a tunic covering. Learn about their larval and adult features, their role in marine …
Tunicate | Anatomy, Habitat & Adaptations | Britannica
WEBTunicates are small marine animals with a tadpole larva and a tough tunic. They are divided into three classes: ascidians, appendicularians, and thaliaceans. Learn about their anatomy, habitat, adaptations, and …
Chordate evolution and the three-phylum system
WEB7 nov. 2014 · Chordates consist of three distinct animal groups: cephalochordates, urochordates (tunicates) and vertebrates. This review starts with a brief description of how the Phylum Chordata and its three …
Sea squirt | Tunicate, Filter Feeding & Reproduction
WEBSea squirts are marine animals with some primitive vertebrate features, belonging to the invertebrate class Ascidiacea (subphylum Urochordata, also called Tunicata). They have a protective tunic, two pores, and a …
Subphylum Urochordata (Tunicata) | Chordates | The …
WEBLearn about the diversity, structure, and life cycle of tunicates, a group of chordates with a tough tunic and no notochord. Find out how they feed, breathe, reproduce, and have rare metals in their blood.
29.1: Chordates - Biology LibreTexts
WEBChordata contains two clades of invertebrates: Urochordata (tunicates) and Cephalochordata (lancelets), together with the vertebrates in Vertebrata. Most tunicates …
Urochordata - an overview | ScienceDirect Topics
WEBTunicates or urochordates (Gittenberger and Sanamyan, 2017) form a subphylum of the phylum Chordata and are considered the closest relatives of vertebrates (Delsuc et al., …
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