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Water vascular system is the characteris...

Water vascular system is the characteristic of which group of the following:
(a) Porifera (b) Ctenophora (c) Echinodermata (d) Chordata

Text Solution

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Water vascular system is a characteristic feature of the phylum, Echinodermata. It consists of an array of radiating channels, tube feet, and madreporite. The water vascular system helps in locomotion, food capturing, and respiration.
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Water vascular system is the characteristic of which group of the following: a. Portifera b. Ctenophora c. Echinodermata d. Chordata.

Which of the following is not a characteristic feature of phylum echinodermata?

Knowledge Check

  • Which of the following are correct about the reaction: A+2B iff C+D

    A
    `K_P = (n_C xx n_D)/(n_A xx (n_B)^2) xx [P/(RT)]^-1`
    B
    `K_P = (n_C xx n_D)/(n_A xx (n_B)^2) xx [P/(sumT)]^-1`
    C
    `K_P = (n_C xx n_D)/(n_A xx (n_B)^2) xx [V/(RT)]^-1`
    D
    `K_C = ([C][D])/([A][B]^2)`

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