AP EAMCET Medical 2017 Shift 2 Paper

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Question : 46 of 160

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Note the collect statement from the following about the organisation of Echinoderms

Animals with spiny skin, water vascular system and without a distinct heart.
Animals with soft body, pentaradial symmetry and without heart
Animals with spiny skin, schizocoelom and without heart.
Animals with spiny skin, dermal ossicles and canal system.

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