MCQ
In which phylum nerve cells are found but nerves are absent
- APorifera
- ✓Coelenterata
- CPlatyhelminthes
- DNemathelminthes
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| container | observation |
| $1$ | cell burst |
| $2$ | cell does not change its shape |
Which structure maintains the shape of the cell present in container $2$ and provides the most significant difference between the two cells?