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    Characterstic Features of Urochordata MCQ - Practice Questions with Answers

    Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET

    Quick Facts

    • 14 Questions around this concept.

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    QuestionEASY

    Tunicates are called so because

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    Excretion in urochordata occurs through

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    Select the animal that exhibits retrogressive metamorphosis 

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    Concepts Covered - 1

    Sub Phylum Urochordata - Characteristics Features
    • These animals are also called tunicates because of the presence of cellulose-like carbohydrate material called tunic that covers the outer body surface of these animals
    • They possess notochord only during the larval stage. The notochord at this stage is confined to the tail region only
    • The adult tunicates have only one feature of chordates, i.e., pharyngeal gill slits. The notochord, nerve cord and post-anal tail disappears in adults
    • They are hermaphroditic animals. The larvae hatch from the eggs inside the body of adult tunicate
    • They show retrogressive metamorphosis
    • Most of the Urochordates are sessile
    • They feed on plankton and detritus
    • Examples : Ascidia,Herdmania, Doliolum and Salpa
    • The following figure shows the comparative diagrams of larval and adult tunicate : 

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    Sub Phylum Urochordata - Characteristics Features

    Study other Related Concepts

    Characterstic Features of Urochordata Current Topic

    Concept of Living and Need for Classification
    Taxonomy and Taxonomical Aids
    Steps of Taxonomy
    Vernacular and Scientific Names
    Binomial Nomenclature
    Taxonomic Hierarchy In Biological Classification
    Taxonomical Aids
    Classification Systems
    Three domains of life
    History of Classification of Organisms

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