Biology, asked by vamshikrishna194, 1 year ago

Animals like sponges and hydra do not have blood so how they circulate food and oxygen

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Answered by harichandanasathi

Answer:by water canal system

Explanation:sponges have specialized structures called water canal system ( which contain ostia, spongocoel and osculum) which help in transport of water, food , excretory products, etc.. hope it helps!

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