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Identify the phylum in which adults exhi...

Identify the phylum in which adults exhibit radial symmetry and larva exhibit bilateral symmetry.

Text Solution

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symmetry is an attribute of an organism showing regularity in body parts on a plane of around an axis.
In Phylum Echinodermata, the adult echinoderms are radially symmetrical but larvae are bilaterally symmetrical.
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Knowledge Check

  • Radial symmetry is

    A
    zygomorphy
    B
    actinomorphy
    C
    spirocyclic
    D
    not found in plants
  • The adults are readially symmetrical but larvae exhibit bilateral symmetry in

    A
    Mollusca
    B
    Hemichordara
    C
    Echinodermata
    D
    Cephalochordata.
  • The adult animal in this phylum is radially symmetrical but its larva exhibits bilateral symmetry .

    A
    Protozoa
    B
    Echinodermata
    C
    Coelenterata
    D
    Arthropoda
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    In which of the following phyla, the adult shows radial symmetry while the larva has bilateral symmetry?