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InterviewSolution
| 1. |
Write the characteristic features of Mollusca . |
| Answer» 1. They are soft bodied .2. Exoskeleton cell mostly present composed of \'calcium carbonate\'.3. Aquatic form respire through ctenedium and terrestial form respire through pulmonary sack .4. Excreation is done by the "organ of bojanus".5. Examples - Octopus (devil fish ) | |