Snails belong to Phylum:

 The correct answer is Option (2) -Mollusca

Snails belong to the Phylum Mollusca. The classification of living organisms is organized into a hierarchical system, with the phylum being one of the higher taxonomic ranks. Mollusca is a diverse phylum that includes a variety of soft-bodied animals with a muscular foot, a visceral mass, and a mantle.

Snails, specifically, are gastropod mollusks characterized by a spiral shell. They are known for their slow, creeping movement and are commonly found in terrestrial, freshwater, and marine environments. The Phylum Mollusca also includes other well-known groups such as clams, oysters, octopuses, and squids, each with its own unique characteristics and adaptations.