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Question
Write one difference between the following pair:
Porifera and Coelenterata.
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Solution
| Porifera | Coelenterata | ||
| 1 | Body is porous i. e. bears many tiny pores to draw water into the body cavity. | 1 | Sac-like body with only one opening i.e. mouth. |
| 2 | e.g. Sponge | 2 | e.g. Jellyfish, hydra, sea anemone. |
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