Which is/are true of hemichordates and echinoderms: A. Dorsal hollow nerve chord (collar chord) B. Tripartite body organization C. Embryos exhibiting radial indeterminate cleavage D. All of the above Е. В & С only
Which is/are true of hemichordates and echinoderms:
A. Dorsal hollow nerve chord (collar chord)
B. Tripartite body organization
C. Embryos exhibiting radial indeterminate cleavage
D. All of the above
E. B & C only
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Answer : Correct Option Is E
Explanation : Hemichordata Is A Phylum Of Marine Deuterostome Animals , These Are Generally Considered The Sister Group Of The Echinoderms. The Meaning Of Hemichordate Is Half Chordates ,Which Are Derived Due To Presence Of Some Characteristics Of Chordates.They Are Bilaterally Symmetrical And Triploblastic Animal. They are exclusively marine Animals And Are Present In Solitary or in colonies. They Have a True Body Cavity.
Echinoderms, Are Invertebrate Marine Animals Which Belongs To The Phylum Echinodermata, These Animals Are Characterized By a Hard, Spiny Covering or Skin. Appearance Is Star-like And Are Spherical or Elongated. They Are Also Exclusively Marine Animals And exhibit organ System Level Of Organization. They Are Triploblastic And Have A Coelomic Cavity.
Both Have Tripartite Body Organization And Embryos Exhibiting Radial Indeterminate Cleavage.
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