Which phylum have following characteristics:
(i) Body unicellular and microscopic
(ii) Body having calcareous shell and ventral foot
(iii) Spiny skinned organisms
1. No animal phylum is unicellular. However, Protista and Monera kingdom has microscopic and unicellular organisms.
2. Mollusca has calcareous shell and ventral foot.
3. Echinodermata is known as spiny skinned organism.
2. Mollusca has calcareous shell and ventral foot.
3. Echinodermata is known as spiny skinned organism.