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Vladimir [108]
3 years ago
10

Difference between hydra, sponge and obelia

Biology
1 answer:
Simora [160]3 years ago
5 0

Answer:

Hydra are simple freshwater animals, while Obelia lives in the sea or fresh water

Explanation:

The main difference is that Hydra's body shape is a polyp, while Obelia consist of polyps and medusae in its life cycle

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