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Q: Snails belong to Phylum :
  • A. Chordata
  • B. Mollusca
  • C. Echinodermata
  • D. Arthropoda
Correct Answer: Option B - Snails belong to phylum mollusca, class gastropoda, majority of gastropods have a single, usually spirally, coiled shell into which the body can be withdrawn. Mollusca is the second largest phylum of invertebrate animals after the Arthropoda. Around 85,000 extant species of mollusca are recognised. Molluscans are unsegmented and bilaterally symmetrical.
B. Snails belong to phylum mollusca, class gastropoda, majority of gastropods have a single, usually spirally, coiled shell into which the body can be withdrawn. Mollusca is the second largest phylum of invertebrate animals after the Arthropoda. Around 85,000 extant species of mollusca are recognised. Molluscans are unsegmented and bilaterally symmetrical.

Explanations:

Snails belong to phylum mollusca, class gastropoda, majority of gastropods have a single, usually spirally, coiled shell into which the body can be withdrawn. Mollusca is the second largest phylum of invertebrate animals after the Arthropoda. Around 85,000 extant species of mollusca are recognised. Molluscans are unsegmented and bilaterally symmetrical.