MCQ
Which is universal for sponges
- AMarine
- BCalcareous spicules
- CRadial symmetry
- ✓High regenerative power
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$a.$ Constantly dividing cells.
$b.$ Cell walls are primary in nature.
$c.$ New cell wall deposition.
$d.$ Increased vacuolation.
$e.$ Possess large conspicuous nuclei.
Select the correct combination for $A, B$ and $C$