Question
Mollusca and Echinodermata
| Mollusca | Echinodermata | ||
| (i) | Molluscs are soft bodied and slimy. | (i) | The body is rough with calcareous spines. |
| (ii) | Body shows bilateral symmetry. | (ii) | Body show radial symmetry in adult stage. |
| (iii) | They are either marine or fresh water animals. | (iii) | They are exclusively marine animals. |
| (iv) | Locomotion with ventral foot. | (iv) | Locomotion with tube feet. |
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