All sponges are aquatic, the majority living in the sea where they are found at all depths from the intertidal zone to the deepest abysses. […]
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Morphological and Physiological Description of Urochordata
Urochordata is subdivided into three orders, the Larvacea, the Ascidiacea and the Thailiacea. Members of the Larvacea are free-swimming and they retain the larval features […]
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7 Characteristic Features of Chordate Animals
In common with arthropods and annelids, chordates and chordate animals are bilaterally symmetrical and metamerically segmented; they possess, however, certain distinctive features not found in […]
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