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Hemichordates posses the characters of e...

Hemichordates posses the characters of echinoderms and chordates. Write any 3 characters of echinoderms as well as chordates seen in hemichordates.

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Three character of echinoderms seen in hemichordates.
(a) Hemichordates are marine habitats.
(b) Circulatory system is open type.
(c) External fertilization.
Three character of chordates seen in hemichordates.
(a) Sexes are separate.
(b) Triploblastic animals.
(c) Coelomate animals.
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Knowledge Check

  • An important characteristic that Hemichordates share with chordates is …………………… .

    A
    Ventral tubular nerve chord
    B
    Pharynx with gill slits
    C
    Pharynx without gill slits
    D
    Absence of notochord

  • Which of the following loses all the chordate characters in the adult stage?

    A
    Cephalochordates
    B
    Hemichordates
    C
    Tunicates
    D
    Chordates

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