Despite of differences in many functions, why are octopus and pila kept in same phylum?? (3 similarities and 2 dissimilarities). Experts, plz help me... also if any student knows dis...
Octopus and Pila have many features similar as compared to dissimilar features, so they are grouped under same phylum- Mollusca.
Body of both the animals is covered by calcareous shell. Both have unsegmented body with a distinct head, muscular foot and and a visceral hump. In both, locomotion is brought by muscular foot.
Both have open circulatory system and kidney like organs for excretion.