Hydra and sponges posses blood circulatory system. true or false.
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Answer:
Explanation:
no they do not posses any blood circulation.
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1
false. both of them do not posses any organ or organ system level of organization.
- sponges belong to porifera and have CELLULAR level of organization
- hydra belongs to cnidaria and have tissue level of organization.
more information is provided in class 11 NCERT
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