How many of the given statements regarding members of Porifera are correct?
I: They are exclusively marine.
II: They have cellular level of organisation.
III: They have a water vascular system with tube feet.
IV: Digestion is intracellular.
V: Fertilisation is external and development is direct.
1. 2
2. 3
3. 4
4. 5
Subtopic:  Phylum Porifera |
 59%
From NCERT
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