Water vascular system of echinoderms is formed by

Coelom

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Ectoderm

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Endoderm

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All of the above

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Solution

The correct option is A Coelom
Echinoderms are characterised by a unique coelomic water vascular system. It is a modified part of coelom and consists of a system of sea water filled canals having certain corpuscles. It is used for locomotion, food and waste transportation, and respiration. The system is composed of canals connecting numerous tube feet. So, the correct answer is option A.

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Similar questions

Water vascular system is a distinctive feature present in echinoderms. Which of the following functions is not performed by the water vascular system?

Q. Assertion :Water vascular system is the characteristic of echinoderms. Reason: Main function of water vascular system is locomotion.

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Blood vascular system is a distinctive feature of echinoderms

Q. Which of the following is not part of the echinoderm water vascular system?

Q. Read the following statements.

(a) Metagenesis is observed in helminths.

(b) Echinoderms are triploblastic and coelomate animals.

(c) Roundworms have an organ-system level of body organization.

(d) Comb plates present in ctenophores help in digestion.

(e) Water vascular system is characteristic of echinoderms.

Choose the correct answer from the options given below:

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